{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T22:39:20Z","timestamp":1791585560795,"version":"4.3.4"},"reference-count":42,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,5,1]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>The aim of this study was to determine if the distinction between planum sphenoidale (PS) and tuberculum sellae (TS) meningiomas is clinically meaningful and impacts the results of the endoscopic endonasal approach (EEA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>A consecutive series of patients who were 18 years of age or older and underwent EEA for newly diagnosed grade I PS meningiomas (PSMs) and TS meningiomas (TSMs) between October 2007 and May 2021 were included. The PS and TS were distinguished by drawing a line passing through the center of the TS and perpendicular to the PS on postcontrast T1-weighted MRI. Probabilistic heatmaps were created to display the actual distribution of tumor volumes. Tumor volume, extent of resection (EOR), visual outcome, and complications were assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      The 47 tumors were distributed in a smooth continuum. Using an arbitrary definition, 24 (51%) were PSMs and 23 (49%) were TSMs. The mean volume of PSMs was 5.6 cm\n                      <jats:sup>3<\/jats:sup>\n                      compared with 4.5 cm\n                      <jats:sup>3<\/jats:sup>\n                      for TSMs. Canal invasion was present in 87.5% of PSMs and 52% of TSMs. GTR was achieved in 38 (84%) of 45 cases in which it was the goal, slightly less frequently for PSMs (78%) compared with TSMs (91%), although the difference was not significant. Th mean EOR was 99% \u00b1 2% for PSMs and 98% \u00b1 11% for TSMs. Neither the suprasellar notch angle nor the percentage of tumor above the PS impacted the rate of GTR. After a median follow-up of 28.5 months (range 0.1\u2013131 months), there were 2 (5%) recurrences after GTR (n = 38) both of which occurred in patients with PSMs. Forty-two (89%) patients presented with preoperative impaired vision. Postoperative vision was stable or improved in 96% of patients with PSMs and 91% of patients with TSMs. CSF leakage occurred in 4 (16.6%) patients with a PSM, which resolved with only lumbar drainage, and in 1 (4.3%) patient with a TSM, which required reoperation.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>PSM and TSMs arise in a smooth distribution, making the distinction arbitrary. Those classified as PSMs were larger and more likely to invade the optic canals. Surgical outcome for both locations was similar, slightly favoring TSMs. The arbitrary distinction between PSMs and TSMs is less useful at predicting outcome than the lateral extent of the tumor, regardless of the site of origin.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/2022.8.jns22632","type":"journal-article","created":{"date-parts":[[2022,10,7]],"date-time":"2022-10-07T07:57:44Z","timestamp":1665129464000},"page":"1338-1346","source":"Crossref","is-referenced-by-count":13,"title":["Endonasal transsphenoidal surgery for planum sphenoidale versus tuberculum sellae meningiomas"],"prefix":"10.3171","volume":"138","author":[{"given":"Fraser","family":"Henderson","sequence":"first","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brett E.","family":"Youngerman","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Columbia University Medicine, NewYork-Presbyterian Hospital, New York, New York; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sumit N.","family":"Niogi","sequence":"additional","affiliation":[{"name":"Radiology, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tyler","family":"Alexander","sequence":"additional","affiliation":[{"name":"Thomas Jefferson University, School of Medicine, Philadelphia, Pennsylvania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abtin","family":"Tabaee","sequence":"additional","affiliation":[{"name":"Otolaryngology, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashutosh","family":"Kacker","sequence":"additional","affiliation":[{"name":"Otolaryngology, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vijay K.","family":"Anand","sequence":"additional","affiliation":[{"name":"Otolaryngology, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Theodore H.","family":"Schwartz","sequence":"additional","affiliation":[{"name":"Departments of Neurological Surgery,"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"3","key":"b1","series-title":"Neurosurgery","first-page":"556","article-title":"Tuberculum sellae meningiomas: high route or low route? 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World Neurosurg. 2014;82(6)(suppl):S81\u2013S85."},{"issue":"4","key":"b39","series-title":"Neurosurg Focus","first-page":"E7","article-title":"Endoscopic endonasal resection of skull base meningiomas: the significance of a \"cortical cuff\" 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 \"cortical cuff\" and brain edema compared with careful case selection and surgical experience in predicting morbidity and extent of resection. Neurosurg Focus. 2014;37(4):E7."},{"key":"b40","series-title":"Interdiscip Neurosurg","first-page":"101303","article-title":"A meta-analysis of proportions of single arm observational series for anterior skull base meningiomas comparing supraorbital craniotomy to the endoscopic endonasal approach","volume":"26","author":"Piscopo A","year":"2021","unstructured":"Piscopo A, Seaman SC, Beer MA, Torner JC, Greenlee JD. A meta-analysis of proportions of single arm observational series for anterior skull base meningiomas comparing supraorbital craniotomy to the endoscopic endonasal approach. Interdiscip Neurosurg. 2021;26:101303."},{"issue":"1","key":"b41","series-title":"Sci Rep","first-page":"4882","article-title":"Transsphenoidal versus transcranial approach for treatment of tuberculum sellae meningiomas: a systematic review and meta-analysis of comparative studies","volume":"9","author":"Yang C","year":"2019","unstructured":"Yang C, Fan Y, Shen Z, Wang R, Bao X. Transsphenoidal versus transcranial approach for treatment of tuberculum sellae meningiomas: a systematic review and meta-analysis of comparative studies. Sci Rep. 2019;9(1):4882."},{"issue":"S3","key":"b42","series-title":"Int Forum Allergy Rhinol","first-page":"S127","article-title":"International consensus statement on endoscopic skull-base surgery: executive summary","volume":"9","author":"Wang EW","year":"2019","unstructured":"Wang EW, Gardner PA, Zanation AM. International consensus statement on endoscopic skull-base surgery: executive summary. 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