{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T02:49:52Z","timestamp":1792896592049,"version":"4.5.0"},"reference-count":80,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,4]]},"abstract":"\n OBJECTIVE<\/jats:title>\n Anterior skull base meningiomas are benign lesions that cause neurological symptoms through mass effect on adjacent neurovascular structures. While traditional transcranial approaches have proven to be effective at removing these tumors, minimally invasive approaches that involve using an endoscope offer the possibility of reducing brain and nerve retraction, minimizing incision size, and speeding patient recovery; however, appropriate case selection and results in large series are lacking.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n The authors developed an algorithm for selecting a supraorbital keyhole minicraniotomy (SKM) for olfactory groove meningiomas or an expanded endoscopic endonasal approach (EEA) for tuberculum sella (TS) or planum sphenoidale (PS) meningiomas based on the presence or absence of olfaction and the anatomical extent of the tumor. Where neither approach is appropriate, a standard transcranial approach is utilized. The authors describe rates of gross-total resection (GTR), olfactory outcomes, and visual outcomes, as well as complications, for 7 subgroups of patients. Exceptions to the algorithm are also discussed.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n \n The series of 57 patients harbored 57 anterior skull base meningiomas; the mean tumor volume was 14.7 \u00b1 15.4 cm\n 3<\/jats:sup>\n (range 2.2\u201366.1 cm\n 3<\/jats:sup>\n ), and the mean follow-up duration was 42.2 \u00b1 37.1 months (range 2\u2013144 months). Of 19 patients with olfactory groove meningiomas, 10 had preserved olfaction and underwent SKM, and preservation of olfaction in was seen in 60%. Of 9 patients who presented without olfaction, 8 had cribriform plate invasion and underwent combined SKM and EEA (n = 3), bifrontal craniotomy (n = 3), or EEA (n = 2), and one patient without both olfaction and cribriform plate invasion underwent SKM. GTR was achieved in 94.7%. Of 38 TS\/PS meningiomas, 36 of the lesions were treated according to the algorithm. Of these 36 meningiomas, 30 were treated by EEA and 6 by craniotomy. GTR was achieved in 97.2%, with no visual deterioration and one CSF leak that resolved by placement of a lumbar drain. Two patients with tumors that, based on the algorithm, were not amenable to an EEA underwent EEA nonetheless: one had GTR and the other had a residual tumor that was followed and removed via craniotomy 9 years later.\n <\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS<\/jats:title>\n Utilizing a simple algorithm aimed at preserving olfaction and vision and based on maximizing use of minimally invasive approaches and selective use of transcranial approaches, the authors found that excellent outcomes can be achieved for anterior skull base meningiomas.<\/jats:p>\n <\/jats:sec>","DOI":"10.3171\/2018.1.focus17734","type":"journal-article","created":{"date-parts":[[2018,4,1]],"date-time":"2018-04-01T03:31:08Z","timestamp":1522553468000},"page":"E7","source":"Crossref","is-referenced-by-count":82,"title":["Decision-making algorithm for minimally invasive approaches to anterior skull base meningiomas"],"prefix":"10.3171","volume":"44","author":[{"given":"Malte","family":"Ottenhausen","sequence":"first","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kavelin","family":"Rumalla","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew F.","family":"Alalade","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prakash","family":"Nair","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emanuele","family":"La Corte","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iyan","family":"Younus","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan A.","family":"Forbes","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Atef","family":"Ben Nsir","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matei A.","family":"Banu","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Columbia-Presbyterian Medical Center, New York, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Apostolos John","family":"Tsiouris","sequence":"additional","affiliation":[{"name":"Radiology, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Theodore H.","family":"Schwartz","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"},{"name":"Otorhinolaryngology,"},{"name":"Neuroscience, Weill Cornell Medical College; and"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"Suppl 2","key":"b1","series-title":"Surg Neurol Int","first-page":"S5","article-title":"[Relevance of Simpson\u2019s grades in the resection of grade I meningiomas.]","volume":"8","author":"Ajler P","year":"2017","unstructured":"Ajler P, Beltrame S, Massa D, Tramontano J, Baccanelli M, Yampolsky C: [Relevance of Simpson\u2019s grades in the resection of grade I meningiomas.] Surg Neurol Int 8 (Suppl 2):S5\u2013S10, 2017 (Span)"},{"key":"b2","series-title":"Surg Laparosc Endosc Percutan Tech","first-page":"26","article-title":"Bibliometric analysis of scientific contributions in minimally invasive general surgery","volume":"24","author":"Antoniou SA","year":"2014","unstructured":"Antoniou SA, Lasithiotakis K, Koch OO, Antoniou GA, Pointner R, Granderath FA: Bibliometric analysis of scientific contributions in minimally invasive general surgery. Surg Laparosc Endosc Percutan Tech 24:26\u201330, 2014"},{"key":"b3","series-title":"J Neurooncol","first-page":"101","article-title":"Visual outcome after fractionated stereotactic radiation therapy of benign anterior skull base tumors","volume":"118","author":"Astradsson A","year":"2014","unstructured":"Astradsson A, Wiencke AK, Munck af Rosenschold P, Engelholm SA, Ohlhues L, Roed H, : Visual outcome after fractionated stereotactic radiation therapy of benign anterior skull base tumors. J Neurooncol 118:101\u2013108, 2014"},{"issue":"1 Suppl Operative","key":"b4","series-title":"Neurosurgery","first-page":"58","article-title":"The importance and timing of optic canal exploration and decompression during endoscopic endonasal resection of tuberculum sella and planum sphenoidale meningiomas","volume":"71","author":"Attia M","year":"2012","unstructured":"Attia M, Kandasamy J, Jakimovski D, Bedrosian J, Alimi M, Lee DL, : The importance and timing of optic canal exploration and decompression during endoscopic endonasal resection of tuberculum sella and planum sphenoidale meningiomas. Neurosurgery 71 (1 Suppl Operative):58\u201367, 2012"},{"key":"b5","series-title":"World Neurosurg","first-page":"e367","article-title":"Combined cranionasal surgery for spheno-orbital meningiomas invading the paranasal sinuses, pterygopalatine, and infratemporal fossa","volume":"80","author":"Attia M","year":"2013","unstructured":"Attia M, Patel KS, Kandasamy J, Stieg PE, Spinelli HM, Riina HA, : Combined cranionasal surgery for spheno-orbital meningiomas invading the paranasal sinuses, pterygopalatine, and infratemporal fossa. World Neurosurg 80:e367\u2013e373, 2013"},{"key":"b6","series-title":"J Neurosurg","first-page":"40","article-title":"Endoscopic endonasal versus transcranial approach to tuberculum sellae and planum sphenoidale meningiomas in a similar cohort of patients","volume":"128","author":"Bander ED","year":"2018","unstructured":"Bander ED, Singh H, Ogilvie CB, Cusic RC, Pisapia DJ, Tsiouris AJ, : Endoscopic endonasal versus transcranial approach to tuberculum sellae and planum sphenoidale meningiomas in a similar cohort of patients. J Neurosurg 128:40\u201348, 2018"},{"key":"b7","series-title":"J Neurosurg","first-page":"605","article-title":"Endoscope-assisted endonasal versus supraorbital keyhole resection of olfactory groove meningiomas: comparison and combination of 2 minimally invasive approaches","volume":"124","author":"Banu MA","year":"2016","unstructured":"Banu MA, Mehta A, Ottenhausen M, Fraser JF, Patel KS, Szentirmai O, : Endoscope-assisted endonasal versus supraorbital keyhole resection of olfactory groove meningiomas: comparison and combination of 2 minimally invasive approaches. J Neurosurg 124:605\u2013620, 2016"},{"key":"b8","series-title":"Acta Neurochir (Wien)","first-page":"109","article-title":"Olfactory groove meningiomas: functional outcome in a series treated microsurgically","volume":"149","author":"Bassiouni H","year":"2007","unstructured":"Bassiouni H, Asgari S, Stolke D: Olfactory groove meningiomas: functional outcome in a series treated microsurgically. Acta Neurochir (Wien) 149:109\u2013121, 2007"},{"key":"b9","series-title":"J Neurol Surg B Skull Base","first-page":"97","article-title":"The role of the pterional approach in the surgical treatment of olfactory groove meningiomas: a 20-year experience","volume":"74","author":"Bitter AD","year":"2013","unstructured":"Bitter AD, Stavrinou LC, Ntoulias G, Petridis AK, Dukagjin M, Scholz M, : The role of the pterional approach in the surgical treatment of olfactory groove meningiomas: a 20-year experience. J Neurol Surg B Skull Base 74:97\u2013102, 2013"},{"key":"b10","series-title":"Neurosurg Rev","first-page":"195","article-title":"Olfactory groove meningiomas: a retrospective study on 59 surgical cases","volume":"35","author":"Ciurea AV","year":"2012","unstructured":"Ciurea AV, Iencean SM, Rizea RE, Brehar FM: Olfactory groove meningiomas: a retrospective study on 59 surgical cases. Neurosurg Rev 35:195\u2013202, 2012"},{"issue":"4","key":"b11","series-title":"Neurosurg Focus","first-page":"E10","article-title":"Endoscopic extended transsphenoidal resection of craniopharyngiomas: nuances of neurosurgical technique","volume":"37","author":"Conger AR","year":"2014","unstructured":"Conger AR, Lucas J, Zada G, Schwartz TH, Cohen-Gadol AA: Endoscopic extended transsphenoidal resection of craniopharyngiomas: nuances of neurosurgical technique. Neurosurg Focus 37(4):E10, 2014"},{"key":"b12","series-title":"J Clin Neurosci","first-page":"1733","article-title":"Comparison of endoscopic endonasal and bifrontal craniotomy approaches for olfactory groove meningiomas: a matched pair analysis of outcomes and frontal lobe changes on MRI","volume":"22","author":"de Almeida JR","year":"2015","unstructured":"de Almeida JR, Carvalho F, Vaz Guimaraes Filho F, Kiehl TR, Koutourousiou M, Su S, : Comparison of endoscopic endonasal and bifrontal craniotomy approaches for olfactory groove meningiomas: a matched pair analysis of outcomes and frontal lobe changes on MRI. J Clin Neurosci 22:1733\u20131741, 2015"},{"key":"b13","series-title":"World Neurosurg","first-page":"e588","article-title":"The relevance of Simpson grade resections in modern neurosurgical treatment of world health organization grade I, II, and III meningiomas","volume":"109","author":"Ehresman JS","year":"2018","unstructured":"Ehresman JS, Garzon-Muvdi T, Rogers D, Lim M, Gallia GL, Weingart J, : The relevance of Simpson grade resections in modern neurosurgical treatment of world health organization grade I, II, and III meningiomas. World Neurosurg 109:e588\u2013e593, 2018"},{"key":"b14","series-title":"J Neurooncol","first-page":"577","article-title":"Gamma Knife radiosurgery of olfactory groove meningiomas provides a method to preserve subjective olfactory function","volume":"116","author":"Gande A","year":"2014","unstructured":"Gande A, Kano H, Bowden G, Mousavi SH, Niranjan A, Flickinger JC, : Gamma Knife radiosurgery of olfactory groove meningiomas provides a method to preserve subjective olfactory function. J Neurooncol 116:577\u2013583, 2014"},{"key":"b15","series-title":"World Neurosurg","first-page":"126","article-title":"Supraorbital versus endoscopic endonasal approaches for olfactory groove meningiomas: a cost-minimization study","volume":"105","author":"Gandhoke GS","year":"2017","unstructured":"Gandhoke GS, Pease M, Smith KJ, Sekula RF Jr: Supraorbital versus endoscopic endonasal approaches for olfactory groove meningiomas: a cost-minimization study. World Neurosurg 105:126\u2013136, 2017"},{"key":"b16","series-title":"Br J Neurosurg","first-page":"422","article-title":"Fronto-basal interhemispheric approach for tuberculum sellae meningiomas; long-term visual outcome","volume":"23","author":"Ganna A","year":"2009","unstructured":"Ganna A, Dehdashti AR, Karabatsou K, Gentili F: Fronto-basal interhemispheric approach for tuberculum sellae meningiomas; long-term visual outcome. Br J Neurosurg 23:422\u2013430, 2009"},{"key":"b17","series-title":"World Neurosurg","first-page":"563","article-title":"Gasket seal closure for extended endonasal endoscopic skull base surgery: efficacy in a large case series","volume":"80","author":"Garcia-Navarro V","year":"2013","unstructured":"Garcia-Navarro V, Anand VK, Schwartz TH: Gasket seal closure for extended endonasal endoscopic skull base surgery: efficacy in a large case series. World Neurosurg 80:563\u2013568, 2013"},{"key":"b18","series-title":"Neurosurgery","first-page":"883","article-title":"Endoscopic endonasal transethmoidal transcribriform transfovea ethmoidalis approach to the anterior cranial fossa and skull base","volume":"66","author":"Greenfield JP","year":"2010","unstructured":"Greenfield JP, Anand VK, Kacker A, Seibert MJ, Singh A, Brown SM, : Endoscopic endonasal transethmoidal transcribriform transfovea ethmoidalis approach to the anterior cranial fossa and skull base. Neurosurgery 66:883\u2013892, 2010"},{"key":"b19","series-title":"Turk Neurosurg","first-page":"662","article-title":"Results with expanded endonasal resection of skull base meningiomas technical nuances and approach selection based on an early experience","volume":"26","author":"Hayhurst C","year":"2016","unstructured":"Hayhurst C, Sughrue ME, Gore PA, Bonney PA, Burks JD, Teo C: Results with expanded endonasal resection of skull base meningiomas technical nuances and approach selection based on an early experience. Turk Neurosurg 26:662\u2013670, 2016"},{"key":"b20","series-title":"Acta Neurochir (Wien)","first-page":"383","article-title":"Simpson grade: an opportunity to reassess the need for complete resection of meningiomas","volume":"156","author":"Heald JB","year":"2014","unstructured":"Heald JB, Carroll TA, Mair RJ: Simpson grade: an opportunity to reassess the need for complete resection of meningiomas. Acta Neurochir (Wien) 156:383\u2013388, 2014"},{"key":"b21","series-title":"Neurosurgery","first-page":"736","article-title":"The impact of age on long-term quality of life after endonasal endoscopic resection of skull base meningiomas","volume":"79","author":"Jones SH","year":"2016","unstructured":"Jones SH, Iannone AF, Patel KS, Anchouche K, Raza SM, Anand VK, : The impact of age on long-term quality of life after endonasal endoscopic resection of skull base meningiomas. Neurosurgery 79:736\u2013745, 2016"},{"issue":"4","key":"b22","series-title":"Neurosurg Focus","first-page":"E7","article-title":"Endoscopic endonasal resection of skull base meningiomas: the significance of a \u201ccortical cuff\u201d and brain edema compared with careful case selection and surgical experience in predicting morbidity and extent of resection","volume":"37","author":"Khan OH","year":"2014","unstructured":"Khan OH, Anand VK, Schwartz TH: Endoscopic endonasal resection of skull base meningiomas: the significance of a \u201ccortical cuff\u201d and brain edema compared with careful case selection and surgical experience in predicting morbidity and extent of resection. Neurosurg Focus 37(4):E7, 2014"},{"key":"b23","series-title":"World Neurosurg","first-page":"713","article-title":"Endoscopic endonasal versus open transcranial resection of anterior midline skull base meningiomas","volume":"77","author":"Komotar RJ","year":"2012","unstructured":"Komotar RJ, Starke RM, Raper DM, Anand VK, Schwartz TH: Endoscopic endonasal versus open transcranial resection of anterior midline skull base meningiomas. World Neurosurg 77:713\u2013724, 2012"},{"issue":"4","key":"b24","series-title":"Neurosurg Focus","first-page":"E8","article-title":"Endoscopic endonasal surgery for olfactory groove meningiomas: outcomes and limitations in 50 patients","volume":"37","author":"Koutourousiou M","year":"2014","unstructured":"Koutourousiou M, Fernandez-Miranda JC, Wang EW, Snyderman CH, Gardner PA: Endoscopic endonasal surgery for olfactory groove meningiomas: outcomes and limitations in 50 patients. Neurosurg Focus 37(4):E8, 2014"},{"issue":"6","key":"b25","series-title":"Neurosurg Focus","first-page":"E6","article-title":"Endoscopic extended transsphenoidal resection of tuberculum sellae meningiomas: nuances of neurosurgical technique","volume":"35","author":"Kulwin C","year":"2013","unstructured":"Kulwin C, Schwartz TH, Cohen-Gadol AA: Endoscopic extended transsphenoidal resection of tuberculum sellae meningiomas: nuances of neurosurgical technique. Neurosurg Focus 35(6):E6, 2013"},{"key":"b26","series-title":"J Neurosurg","first-page":"400","article-title":"Endoscopic, endonasal extended transsphenoidal, transplanum transtuberculum approach for resection of suprasellar lesions","volume":"106","author":"Laufer I","year":"2007","unstructured":"Laufer I, Anand VK, Schwartz TH: Endoscopic, endonasal extended transsphenoidal, transplanum transtuberculum approach for resection of suprasellar lesions. J Neurosurg 106:400\u2013406, 2007"},{"issue":"5 Suppl 2","key":"b27","series-title":"Neurosurgery","first-page":"ONSE342","article-title":"\u201cGasket-seal\u201d watertight closure in minimal-access endoscopic cranial base surgery","volume":"62","author":"Leng LZ","year":"2008","unstructured":"Leng LZ, Brown S, Anand VK, Schwartz TH: \u201cGasket-seal\u201d watertight closure in minimal-access endoscopic cranial base surgery. Neurosurgery 62 (5 Suppl 2):ONSE342\u2013ONSE343, 2008"},{"key":"b28","series-title":"Neurosurgery","first-page":"844","article-title":"Olfactory groove meningiomas: clinical outcome and recurrence rates after tumor removal through the frontolateral and bifrontal approach","volume":"60","author":"Nakamura M","year":"2007","unstructured":"Nakamura M, Struck M, Roser F, Vorkapic P, Samii M: Olfactory groove meningiomas: clinical outcome and recurrence rates after tumor removal through the frontolateral and bifrontal approach. Neurosurgery 60:844\u2013852, 2007"},{"key":"b29","series-title":"World Neurosurg","first-page":"211","article-title":"Olfactory groove meningiomas: comparison of extent of frontal lobe changes after lateral and bifrontal approaches","volume":"94","author":"Nanda A","year":"2016","unstructured":"Nanda A, Maiti TK, Bir SC, Konar SK, Guthikonda B: Olfactory groove meningiomas: comparison of extent of frontal lobe changes after lateral and bifrontal approaches. World Neurosurg 94:211\u2013221, 2016"},{"key":"b30","series-title":"J Neurooncol","first-page":"283","article-title":"Hypofractionated stereotactic radiation therapy in skull base meningiomas","volume":"124","author":"Navarria P","year":"2015","unstructured":"Navarria P, Pessina F, Cozzi L, Clerici E, Villa E, Ascolese AM, : Hypofractionated stereotactic radiation therapy in skull base meningiomas. J Neurooncol 124:283\u2013289, 2015"},{"key":"b31","series-title":"World Neurosurg","first-page":"483","article-title":"Re-evaluating Simpson Grade I, II, and III resections in neurosurgical treatment of World Health Organization grade I meningiomas","volume":"96","author":"Otero-Rodriguez A","year":"2016","unstructured":"Otero-Rodriguez A, Tabernero MD, Munoz-Martin MC, Sousa P, Orfao A, Pascual-Argente D, : Re-evaluating Simpson Grade I, II, and III resections in neurosurgical treatment of World Health Organization grade I meningiomas. World Neurosurg 96:483\u2013488, 2016"},{"key":"b32","series-title":"World Neurosurg","first-page":"442","article-title":"Endoscopic endonasal resection of suprasellar meningiomas: the importance of case selection and experience in determining extent of resection, visual improvement, and complications","volume":"82","author":"Ottenhausen M","year":"2014","unstructured":"Ottenhausen M, Banu MA, Placantonakis DG, Tsiouris AJ, Khan OH, Anand VK, : Endoscopic endonasal resection of suprasellar meningiomas: the importance of case selection and experience in determining extent of resection, visual improvement, and complications. World Neurosurg 82:442\u2013449, 2014"},{"key":"b33","series-title":"J Neurosurg","first-page":"121","article-title":"Significance of Simpson grading system in modern meningioma surgery: integration of the grade with MIB-1 labeling index as a key to predict the recurrence of WHO Grade I meningiomas","volume":"117","author":"Oya S","year":"2012","unstructured":"Oya S, Kawai K, Nakatomi H, Saito N: Significance of Simpson grading system in modern meningioma surgery: integration of the grade with MIB-1 labeling index as a key to predict the recurrence of WHO Grade I meningiomas. J Neurosurg 117:121\u2013128, 2012"},{"key":"b34","series-title":"World Neurosurg","first-page":"219","article-title":"Olfactory groove meningioma: report of 99 cases surgically treated at the Catholic University School of Medicine, Rome","volume":"83","author":"Pallini R","unstructured":"Pallini R, Fernandez E, Lauretti L, Doglietto F, D\u2019Alessandris QG, Montano N, : Olfactory groove meningioma: report of 99 cases surgically treated at the Catholic University School of Medicine, Rome. World Neurosurg 83:219\u2013231, 231.e1\u2013231.e3, 2015"},{"key":"b35","series-title":"Neurosurgery","first-page":"39","article-title":"Lateral supraorbital approach applied to olfactory groove meningiomas: experience with 66 consecutive patients","volume":"65","author":"Romani R","year":"2009","unstructured":"Romani R, Lehecka M, Gaal E, Toninelli S, Celik O, Niemel\u00e4 M, : Lateral supraorbital approach applied to olfactory groove meningiomas: experience with 66 consecutive patients. Neurosurgery 65:39\u201353, 2009"},{"issue":"6 Suppl","key":"b36","series-title":"World Neurosurg","first-page":"S81","article-title":"Indications and limitations of the endoscopic endonasal approach for anterior cranial base meningiomas","volume":"82","author":"Schroeder HW","year":"2014","unstructured":"Schroeder HW: Indications and limitations of the endoscopic endonasal approach for anterior cranial base meningiomas. World Neurosurg 82 (6 Suppl):S81\u2013S85, 2014"},{"key":"b37","series-title":"Neurosurgery","first-page":"991","article-title":"Endoscopic cranial base surgery: classification of operative approaches","volume":"62","author":"Schwartz TH","year":"2008","unstructured":"Schwartz TH, Fraser JF, Brown S, Tabaee A, Kacker A, Anand VK: Endoscopic cranial base surgery: classification of operative approaches. Neurosurgery 62:991\u20131005, 2008"},{"key":"b38","series-title":"J Neurosurg","first-page":"940","article-title":"Contralateral supraorbital keyhole approach to medial optic nerve lesions: an anatomoclinical study","volume":"126","author":"Singh H","year":"2017","unstructured":"Singh H, Essayed WI, Jada A, Moussazadeh N, Dhandapani S, Rote S, : Contralateral supraorbital keyhole approach to medial optic nerve lesions: an anatomoclinical study. J Neurosurg 126:940\u2013944, 2017"},{"key":"b39","series-title":"J Neurosurg","first-page":"1029","article-title":"The relevance of Simpson Grade I and II resection in modern neurosurgical treatment of World Health Organization Grade I meningiomas","volume":"113","author":"Sughrue ME","year":"2010","unstructured":"Sughrue ME, Kane AJ, Shangari G, Rutkowski MJ, McDermott MW, Berger MS, : The relevance of Simpson Grade I and II resection in modern neurosurgical treatment of World Health Organization Grade I meningiomas. J Neurosurg 113:1029\u20131035, 2010"},{"key":"b40","series-title":"Neurosurg Rev","first-page":"67","article-title":"Supraorbital keyhole approach for removal of midline anterior cranial fossa meningiomas: a series of 20 consecutive cases","volume":"35","author":"Telera S","year":"2012","unstructured":"Telera S, Carapella CM, Caroli F, Crispo F, Cristalli G, Raus L, : Supraorbital keyhole approach for removal of midline anterior cranial fossa meningiomas: a series of 20 consecutive cases. Neurosurg Rev 35:67\u201383, 2012"},{"issue":"Suppl 2","key":"b1","series-title":"Surg Neurol Int","first-page":"S5","article-title":"[Relevance of Simpson\u2019s grades in the resection of grade I meningiomas.]","volume":"8","author":"Ajler P","year":"2017","unstructured":"Ajler P, Beltrame S, Massa D, Tramontano J, Baccanelli M, Yampolsky C: [Relevance of Simpson\u2019s grades in the resection of grade I meningiomas.] Surg Neurol Int 8 (Suppl 2):S5\u2013S10, 2017 (Span)"},{"key":"b2","series-title":"Surg Laparosc Endosc Percutan Tech","first-page":"26","article-title":"Bibliometric analysis of scientific contributions in minimally invasive general surgery","volume":"24","author":"Antoniou SA","year":"2014","unstructured":"Antoniou SA, Lasithiotakis K, Koch OO, Antoniou GA, Pointner R, Granderath FA: Bibliometric analysis of scientific contributions in minimally invasive general surgery. Surg Laparosc Endosc Percutan Tech 24:26\u201330, 2014"},{"key":"b3","series-title":"J Neurooncol","first-page":"101","article-title":"Visual outcome after fractionated stereotactic radiation therapy of benign anterior skull base tumors","volume":"118","author":"Astradsson A","year":"2014","unstructured":"Astradsson A, Wiencke AK, Munck af Rosenschold P, Engelholm SA, Ohlhues L, Roed H, : Visual outcome after fractionated stereotactic radiation therapy of benign anterior skull base tumors. J Neurooncol 118:101\u2013108, 2014"},{"issue":"1 Suppl Operative","key":"b4","series-title":"Neurosurgery","first-page":"58","article-title":"The importance and timing of optic canal exploration and decompression during endoscopic endonasal resection of tuberculum sella and planum sphenoidale meningiomas","volume":"71","author":"Attia M","year":"2012","unstructured":"Attia M, Kandasamy J, Jakimovski D, Bedrosian J, Alimi M, Lee DL, : The importance and timing of optic canal exploration and decompression during endoscopic endonasal resection of tuberculum sella and planum sphenoidale meningiomas. Neurosurgery 71 (1 Suppl Operative):58\u201367, 2012"},{"key":"b5","series-title":"World Neurosurg","first-page":"e367","article-title":"Combined cranionasal surgery for spheno-orbital meningiomas invading the paranasal sinuses, pterygopalatine, and infratemporal fossa","volume":"80","author":"Attia M","year":"2013","unstructured":"Attia M, Patel KS, Kandasamy J, Stieg PE, Spinelli HM, Riina HA, : Combined cranionasal surgery for spheno-orbital meningiomas invading the paranasal sinuses, pterygopalatine, and infratemporal fossa. World Neurosurg 80:e367\u2013e373, 2013"},{"key":"b6","series-title":"J Neurosurg","first-page":"40","article-title":"Endoscopic endonasal versus transcranial approach to tuberculum sellae and planum sphenoidale meningiomas in a similar cohort of patients","volume":"128","author":"Bander ED","year":"2018","unstructured":"Bander ED, Singh H, Ogilvie CB, Cusic RC, Pisapia DJ, Tsiouris AJ, : Endoscopic endonasal versus transcranial approach to tuberculum sellae and planum sphenoidale meningiomas in a similar cohort of patients. J Neurosurg 128:40\u201348, 2018"},{"key":"b7","series-title":"J Neurosurg","first-page":"605","article-title":"Endoscope-assisted endonasal versus supraorbital keyhole resection of olfactory groove meningiomas: comparison and combination of 2 minimally invasive approaches","volume":"124","author":"Banu MA","year":"2016","unstructured":"Banu MA, Mehta A, Ottenhausen M, Fraser JF, Patel KS, Szentirmai O, : Endoscope-assisted endonasal versus supraorbital keyhole resection of olfactory groove meningiomas: comparison and combination of 2 minimally invasive approaches. J Neurosurg 124:605\u2013620, 2016"},{"key":"b8","series-title":"Acta Neurochir (Wien)","first-page":"109","article-title":"Olfactory groove meningiomas: functional outcome in a series treated microsurgically","volume":"149","author":"Bassiouni H","year":"2007","unstructured":"Bassiouni H, Asgari S, Stolke D: Olfactory groove meningiomas: functional outcome in a series treated microsurgically. Acta Neurochir (Wien) 149:109\u2013121, 2007"},{"key":"b9","series-title":"J Neurol Surg B Skull Base","first-page":"97","article-title":"The role of the pterional approach in the surgical treatment of olfactory groove meningiomas: a 20-year experience","volume":"74","author":"Bitter AD","year":"2013","unstructured":"Bitter AD, Stavrinou LC, Ntoulias G, Petridis AK, Dukagjin M, Scholz M, : The role of the pterional approach in the surgical treatment of olfactory groove meningiomas: a 20-year experience. J Neurol Surg B Skull Base 74:97\u2013102, 2013"},{"key":"b10","series-title":"Neurosurg Rev","first-page":"195","article-title":"Olfactory groove meningiomas: a retrospective study on 59 surgical cases","volume":"35","author":"Ciurea AV","year":"2012","unstructured":"Ciurea AV, Iencean SM, Rizea RE, Brehar FM: Olfactory groove meningiomas: a retrospective study on 59 surgical cases. Neurosurg Rev 35:195\u2013202, 2012"},{"issue":"4","key":"b11","series-title":"Neurosurg Focus","first-page":"E10","article-title":"Endoscopic extended transsphenoidal resection of craniopharyngiomas: nuances of neurosurgical technique","volume":"37","author":"Conger AR","year":"2014","unstructured":"Conger AR, Lucas J, Zada G, Schwartz TH, Cohen-Gadol AA: Endoscopic extended transsphenoidal resection of craniopharyngiomas: nuances of neurosurgical technique. Neurosurg Focus 37(4):E10, 2014"},{"key":"b12","series-title":"J Clin Neurosci","first-page":"1733","article-title":"Comparison of endoscopic endonasal and bifrontal craniotomy approaches for olfactory groove meningiomas: a matched pair analysis of outcomes and frontal lobe changes on MRI","volume":"22","author":"de Almeida JR","year":"2015","unstructured":"de Almeida JR, Carvalho F, Vaz Guimaraes Filho F, Kiehl TR, Koutourousiou M, Su S, : Comparison of endoscopic endonasal and bifrontal craniotomy approaches for olfactory groove meningiomas: a matched pair analysis of outcomes and frontal lobe changes on MRI. J Clin Neurosci 22:1733\u20131741, 2015"},{"key":"b13","series-title":"World Neurosurg","first-page":"e588","article-title":"The relevance of Simpson grade resections in modern neurosurgical treatment of world health organization grade I, II, and III meningiomas","volume":"109","author":"Ehresman JS","year":"2018","unstructured":"Ehresman JS, Garzon-Muvdi T, Rogers D, Lim M, Gallia GL, Weingart J, : The relevance of Simpson grade resections in modern neurosurgical treatment of world health organization grade I, II, and III meningiomas. World Neurosurg 109:e588\u2013e593, 2018"},{"key":"b14","series-title":"J Neurooncol","first-page":"577","article-title":"Gamma Knife radiosurgery of olfactory groove meningiomas provides a method to preserve subjective olfactory function","volume":"116","author":"Gande A","year":"2014","unstructured":"Gande A, Kano H, Bowden G, Mousavi SH, Niranjan A, Flickinger JC, : Gamma Knife radiosurgery of olfactory groove meningiomas provides a method to preserve subjective olfactory function. J Neurooncol 116:577\u2013583, 2014"},{"key":"b15","series-title":"World Neurosurg","first-page":"126","article-title":"Supraorbital versus endoscopic endonasal approaches for olfactory groove meningiomas: a cost-minimization study","volume":"105","author":"Gandhoke GS","year":"2017","unstructured":"Gandhoke GS, Pease M, Smith KJ, Sekula RF Jr: Supraorbital versus endoscopic endonasal approaches for olfactory groove meningiomas: a cost-minimization study. World Neurosurg 105:126\u2013136, 2017"},{"key":"b16","series-title":"Br J Neurosurg","first-page":"422","article-title":"Fronto-basal interhemispheric approach for tuberculum sellae meningiomas; long-term visual outcome","volume":"23","author":"Ganna A","year":"2009","unstructured":"Ganna A, Dehdashti AR, Karabatsou K, Gentili F: Fronto-basal interhemispheric approach for tuberculum sellae meningiomas; long-term visual outcome. Br J Neurosurg 23:422\u2013430, 2009"},{"key":"b17","series-title":"World Neurosurg","first-page":"563","article-title":"Gasket seal closure for extended endonasal endoscopic skull base surgery: efficacy in a large case series","volume":"80","author":"Garcia-Navarro V","year":"2013","unstructured":"Garcia-Navarro V, Anand VK, Schwartz TH: Gasket seal closure for extended endonasal endoscopic skull base surgery: efficacy in a large case series. World Neurosurg 80:563\u2013568, 2013"},{"key":"b18","series-title":"Neurosurgery","first-page":"883","article-title":"Endoscopic endonasal transethmoidal transcribriform transfovea ethmoidalis approach to the anterior cranial fossa and skull base","volume":"66","author":"Greenfield JP","year":"2010","unstructured":"Greenfield JP, Anand VK, Kacker A, Seibert MJ, Singh A, Brown SM, : Endoscopic endonasal transethmoidal transcribriform transfovea ethmoidalis approach to the anterior cranial fossa and skull base. Neurosurgery 66:883\u2013892, 2010"},{"key":"b19","series-title":"Turk Neurosurg","first-page":"662","article-title":"Results with expanded endonasal resection of skull base meningiomas technical nuances and approach selection based on an early experience","volume":"26","author":"Hayhurst C","year":"2016","unstructured":"Hayhurst C, Sughrue ME, Gore PA, Bonney PA, Burks JD, Teo C: Results with expanded endonasal resection of skull base meningiomas technical nuances and approach selection based on an early experience. Turk Neurosurg 26:662\u2013670, 2016"},{"key":"b20","series-title":"Acta Neurochir (Wien)","first-page":"383","article-title":"Simpson grade: an opportunity to reassess the need for complete resection of meningiomas","volume":"156","author":"Heald JB","year":"2014","unstructured":"Heald JB, Carroll TA, Mair RJ: Simpson grade: an opportunity to reassess the need for complete resection of meningiomas. Acta Neurochir (Wien) 156:383\u2013388, 2014"},{"key":"b21","series-title":"Neurosurgery","first-page":"736","article-title":"The impact of age on long-term quality of life after endonasal endoscopic resection of skull base meningiomas","volume":"79","author":"Jones SH","year":"2016","unstructured":"Jones SH, Iannone AF, Patel KS, Anchouche K, Raza SM, Anand VK, : The impact of age on long-term quality of life after endonasal endoscopic resection of skull base meningiomas. Neurosurgery 79:736\u2013745, 2016"},{"issue":"4","key":"b22","series-title":"Neurosurg Focus","first-page":"E7","article-title":"Endoscopic endonasal resection of skull base meningiomas: the significance of a \u201ccortical cuff\u201d and brain edema compared with careful case selection and surgical experience in predicting morbidity and extent of resection","volume":"37","author":"Khan OH","year":"2014","unstructured":"Khan OH, Anand VK, Schwartz TH: Endoscopic endonasal resection of skull base meningiomas: the significance of a \u201ccortical cuff\u201d and brain edema compared with careful case selection and surgical experience in predicting morbidity and extent of resection. Neurosurg Focus 37(4):E7, 2014"},{"key":"b23","series-title":"World Neurosurg","first-page":"713","article-title":"Endoscopic endonasal versus open transcranial resection of anterior midline skull base meningiomas","volume":"77","author":"Komotar RJ","year":"2012","unstructured":"Komotar RJ, Starke RM, Raper DM, Anand VK, Schwartz TH: Endoscopic endonasal versus open transcranial resection of anterior midline skull base meningiomas. World Neurosurg 77:713\u2013724, 2012"},{"issue":"4","key":"b24","series-title":"Neurosurg Focus","first-page":"E8","article-title":"Endoscopic endonasal surgery for olfactory groove meningiomas: outcomes and limitations in 50 patients","volume":"37","author":"Koutourousiou M","year":"2014","unstructured":"Koutourousiou M, Fernandez-Miranda JC, Wang EW, Snyderman CH, Gardner PA: Endoscopic endonasal surgery for olfactory groove meningiomas: outcomes and limitations in 50 patients. Neurosurg Focus 37(4):E8, 2014"},{"issue":"6","key":"b25","series-title":"Neurosurg Focus","first-page":"E6","article-title":"Endoscopic extended transsphenoidal resection of tuberculum sellae meningiomas: nuances of neurosurgical technique","volume":"35","author":"Kulwin C","year":"2013","unstructured":"Kulwin C, Schwartz TH, Cohen-Gadol AA: Endoscopic extended transsphenoidal resection of tuberculum sellae meningiomas: nuances of neurosurgical technique. Neurosurg Focus 35(6):E6, 2013"},{"key":"b26","series-title":"J Neurosurg","first-page":"400","article-title":"Endoscopic, endonasal extended transsphenoidal, transplanum transtuberculum approach for resection of suprasellar lesions","volume":"106","author":"Laufer I","year":"2007","unstructured":"Laufer I, Anand VK, Schwartz TH: Endoscopic, endonasal extended transsphenoidal, transplanum transtuberculum approach for resection of suprasellar lesions. J Neurosurg 106:400\u2013406, 2007"},{"issue":"5 Suppl 2","key":"b27","series-title":"Neurosurgery","first-page":"ONSE342","article-title":"\u201cGasket-seal\u201d watertight closure in minimal-access endoscopic cranial base surgery","volume":"62","author":"Leng LZ","year":"2008","unstructured":"Leng LZ, Brown S, Anand VK, Schwartz TH: \u201cGasket-seal\u201d watertight closure in minimal-access endoscopic cranial base surgery. Neurosurgery 62 (5 Suppl 2):ONSE342\u2013ONSE343, 2008"},{"key":"b28","series-title":"Neurosurgery","first-page":"844","article-title":"Olfactory groove meningiomas: clinical outcome and recurrence rates after tumor removal through the frontolateral and bifrontal approach","volume":"60","author":"Nakamura M","year":"2007","unstructured":"Nakamura M, Struck M, Roser F, Vorkapic P, Samii M: Olfactory groove meningiomas: clinical outcome and recurrence rates after tumor removal through the frontolateral and bifrontal approach. Neurosurgery 60:844\u2013852, 2007"},{"key":"b29","series-title":"World Neurosurg","first-page":"211","article-title":"Olfactory groove meningiomas: comparison of extent of frontal lobe changes after lateral and bifrontal approaches","volume":"94","author":"Nanda A","year":"2016","unstructured":"Nanda A, Maiti TK, Bir SC, Konar SK, Guthikonda B: Olfactory groove meningiomas: comparison of extent of frontal lobe changes after lateral and bifrontal approaches. World Neurosurg 94:211\u2013221, 2016"},{"key":"b30","series-title":"J Neurooncol","first-page":"283","article-title":"Hypofractionated stereotactic radiation therapy in skull base meningiomas","volume":"124","author":"Navarria P","year":"2015","unstructured":"Navarria P, Pessina F, Cozzi L, Clerici E, Villa E, Ascolese AM, : Hypofractionated stereotactic radiation therapy in skull base meningiomas. J Neurooncol 124:283\u2013289, 2015"},{"key":"b31","series-title":"World Neurosurg","first-page":"483","article-title":"Re-evaluating Simpson Grade I, II, and III resections in neurosurgical treatment of World Health Organization grade I meningiomas","volume":"96","author":"Otero-Rodriguez A","year":"2016","unstructured":"Otero-Rodriguez A, Tabernero MD, Munoz-Martin MC, Sousa P, Orfao A, Pascual-Argente D, : Re-evaluating Simpson Grade I, II, and III resections in neurosurgical treatment of World Health Organization grade I meningiomas. World Neurosurg 96:483\u2013488, 2016"},{"key":"b32","series-title":"World Neurosurg","first-page":"442","article-title":"Endoscopic endonasal resection of suprasellar meningiomas: the importance of case selection and experience in determining extent of resection, visual improvement, and complications","volume":"82","author":"Ottenhausen M","year":"2014","unstructured":"Ottenhausen M, Banu MA, Placantonakis DG, Tsiouris AJ, Khan OH, Anand VK, : Endoscopic endonasal resection of suprasellar meningiomas: the importance of case selection and experience in determining extent of resection, visual improvement, and complications. World Neurosurg 82:442\u2013449, 2014"},{"key":"b33","series-title":"J Neurosurg","first-page":"121","article-title":"Significance of Simpson grading system in modern meningioma surgery: integration of the grade with MIB-1 labeling index as a key to predict the recurrence of WHO Grade I meningiomas","volume":"117","author":"Oya S","year":"2012","unstructured":"Oya S, Kawai K, Nakatomi H, Saito N: Significance of Simpson grading system in modern meningioma surgery: integration of the grade with MIB-1 labeling index as a key to predict the recurrence of WHO Grade I meningiomas. J Neurosurg 117:121\u2013128, 2012"},{"key":"b34","series-title":"World Neurosurg","first-page":"219","article-title":"Olfactory groove meningioma: report of 99 cases surgically treated at the Catholic University School of Medicine, Rome","volume":"83","author":"Pallini R","unstructured":"Pallini R, Fernandez E, Lauretti L, Doglietto F, D\u2019Alessandris QG, Montano N, : Olfactory groove meningioma: report of 99 cases surgically treated at the Catholic University School of Medicine, Rome. World Neurosurg 83:219\u2013231, 231.e1\u2013231.e3, 2015"},{"key":"b35","series-title":"Neurosurgery","first-page":"39","article-title":"Lateral supraorbital approach applied to olfactory groove meningiomas: experience with 66 consecutive patients","volume":"65","author":"Romani R","year":"2009","unstructured":"Romani R, Lehecka M, Gaal E, Toninelli S, Celik O, Niemel\u00e4 M, : Lateral supraorbital approach applied to olfactory groove meningiomas: experience with 66 consecutive patients. Neurosurgery 65:39\u201353, 2009"},{"issue":"6 Suppl","key":"b36","series-title":"World Neurosurg","first-page":"S81","article-title":"Indications and limitations of the endoscopic endonasal approach for anterior cranial base meningiomas","volume":"82","author":"Schroeder HW","year":"2014","unstructured":"Schroeder HW: Indications and limitations of the endoscopic endonasal approach for anterior cranial base meningiomas. World Neurosurg 82 (6 Suppl):S81\u2013S85, 2014"},{"key":"b37","series-title":"Neurosurgery","first-page":"991","article-title":"Endoscopic cranial base surgery: classification of operative approaches","volume":"62","author":"Schwartz TH","year":"2008","unstructured":"Schwartz TH, Fraser JF, Brown S, Tabaee A, Kacker A, Anand VK: Endoscopic cranial base surgery: classification of operative approaches. Neurosurgery 62:991\u20131005, 2008"},{"key":"b38","series-title":"J Neurosurg","first-page":"940","article-title":"Contralateral supraorbital keyhole approach to medial optic nerve lesions: an anatomoclinical study","volume":"126","author":"Singh H","year":"2017","unstructured":"Singh H, Essayed WI, Jada A, Moussazadeh N, Dhandapani S, Rote S, : Contralateral supraorbital keyhole approach to medial optic nerve lesions: an anatomoclinical study. J Neurosurg 126:940\u2013944, 2017"},{"key":"b39","series-title":"J Neurosurg","first-page":"1029","article-title":"The relevance of Simpson Grade I and II resection in modern neurosurgical treatment of World Health Organization Grade I meningiomas","volume":"113","author":"Sughrue ME","year":"2010","unstructured":"Sughrue ME, Kane AJ, Shangari G, Rutkowski MJ, McDermott MW, Berger MS, : The relevance of Simpson Grade I and II resection in modern neurosurgical treatment of World Health Organization Grade I meningiomas. J Neurosurg 113:1029\u20131035, 2010"},{"key":"b40","series-title":"Neurosurg Rev","first-page":"67","article-title":"Supraorbital keyhole approach for removal of midline anterior cranial fossa meningiomas: a series of 20 consecutive cases","volume":"35","author":"Telera S","year":"2012","unstructured":"Telera S, Carapella CM, Caroli F, Crispo F, Cristalli G, Raus L, : Supraorbital keyhole approach for removal of midline anterior cranial fossa meningiomas: a series of 20 consecutive cases. Neurosurg Rev 35:67\u201383, 2012"}],"container-title":["Neurosurgical Focus"],"original-title":[],"link":[{"URL":"https:\/\/thejns.org\/view\/journals\/neurosurg-focus\/44\/4\/article-pE7.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/thejns.org\/downloadpdf\/journals\/neurosurg-focus\/44\/4\/article-pE7.xml","content-type":"text\/html","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/thejns.org\/downloadpdf\/journals\/neurosurg-focus\/44\/4\/article-pE7.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T08:23:35Z","timestamp":1780129415000},"score":1,"resource":{"primary":{"URL":"https:\/\/thejns.org\/view\/journals\/neurosurg-focus\/44\/4\/article-pE7.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,4]]},"references-count":80,"journal-issue":{"issue":"4"},"URL":"https:\/\/doi.org\/10.3171\/2018.1.focus17734","relation":{},"ISSN":["1092-0684"],"issn-type":[{"value":"1092-0684","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,4]]}}}