{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T16:51:47Z","timestamp":1783788707632,"version":"3.55.0"},"reference-count":32,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PED"],"published-print":{"date-parts":[[2013,6]]},"abstract":"<jats:p>Juvenile psammomatoid ossifying fibroma (JPOF) is a benign fibro-osseous lesion typically associated with the jaw, paranasal region, or orbit. However, JPOF may also originate from the skull base and locally invade the cranium. In published reports, intracranial JPOFs constitute only a small percentage of cases, and therefore it is not known whether more aggressive behavior typifies this distinct population of JPOFs compared with those in other locations. Nevertheless, JPOF histopathology is characterized by a number of active processes, including cystic transformation, that may precipitate violation of skull base boundaries. In the following article, the authors present a case of skull base JPOF that underwent cystic expansion in a young girl, produced a focal neurological deficit, and was resolved using a staged surgical approach.<\/jats:p>","DOI":"10.3171\/2013.2.peds12253","type":"journal-article","created":{"date-parts":[[2013,3,29]],"date-time":"2013-03-29T14:00:19Z","timestamp":1364565619000},"page":"687-691","source":"Crossref","is-referenced-by-count":13,"title":["Subacute cystic expansion of intracranial juvenile psammomatoid ossifying fibroma"],"prefix":"10.3171","volume":"11","author":[{"given":"Nathan C.","family":"Rowland","sequence":"first","affiliation":[{"name":"Brain Tumor Center, Department of Neurological Surgery;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Walter J.","family":"Jermakowicz","sequence":"additional","affiliation":[{"name":"Brain Tumor Center, Department of Neurological Surgery;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tarik","family":"Tihan","sequence":"additional","affiliation":[{"name":"Department of Pathology, Neuropathology Unit; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ivan H.","family":"El-Sayed","sequence":"additional","affiliation":[{"name":"Center for Minimally Invasive Skull Base Surgery, Department of Otolaryngology\u2013Head and Neck Surgery, University of California, San Francisco, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael W.","family":"McDermott","sequence":"additional","affiliation":[{"name":"Brain Tumor Center, Department of Neurological Surgery;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1-peds12253","series-title":"Auris Nasus Larynx","doi-asserted-by":"publisher","first-page":"314","DOI":"10.1016\/j.anl.2011.07.019","article-title":"Ultrastructual morphology of juvenile psammomatoid ossifying fibroma","volume":"39","author":"Ariyasathitman","year":"2012"},{"key":"b2-peds12253","series-title":"J Neurooncol","doi-asserted-by":"publisher","first-page":"61","DOI":"10.1007\/s11060-006-9298-7","article-title":"Psammomatoid ossifying fibroma","volume":"82","author":"Bannykh","year":"2007"},{"key":"b3-peds12253","series-title":"World Health Organization Classification of Tumours: Pathology and Genetics of Head and Neck Tumours","volume":"9","year":"2005"},{"key":"b4-peds12253","series-title":"Laryngoscope","first-page":"1385","article-title":"Juvenile aggressive cemento-ossifying fibroma: case report and review of the literature","volume":"103","author":"Bertrand","year":"1993"},{"key":"b5-peds12253","series-title":"Arch Otolaryngol Head Neck Surg","doi-asserted-by":"publisher","first-page":"1112","DOI":"10.1001\/archotol.1989.01860330102027","article-title":"Craniofacial resection of ossifying fibromas and osteomas of the sinuses","volume":"115","author":"Blitzer","year":"1989"},{"key":"b6-peds12253","series-title":"Adv Anat Pathol","doi-asserted-by":"publisher","first-page":"126","DOI":"10.1097\/00125480-200105000-00002","article-title":"Benign fibro-osseous lesions: a review of current concepts","volume":"8","author":"Brannon","year":"2001"},{"key":"b7-peds12253","series-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod","doi-asserted-by":"publisher","first-page":"296","DOI":"10.1067\/moe.2002.121545","article-title":"Psammomatoid and trabecular juvenile ossifying fibroma of the craniofacial skeleton: two distinct clinicopathologic entities","volume":"93","author":"El-Mofty","year":"2002"},{"key":"b8-peds12253","series-title":"Neuroradiology","doi-asserted-by":"publisher","first-page":"526","DOI":"10.1007\/s002340050798","article-title":"CT and MRI of congenital sinonasal ossifying fibroma","volume":"41","author":"Engelbrecht","year":"1999"},{"key":"b9-peds12253","series-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod","doi-asserted-by":"publisher","first-page":"614","DOI":"10.1016\/j.tripleo.2005.03.036","article-title":"Psammomatoid ossifying fibromas: immunohistochemical analysis and differential diagnosis with psammomatous meningiomas of craniofacial bones","volume":"101","author":"Granados","year":"2006"},{"key":"b10-peds12253","series-title":"AJNR Am J Neuroradiol","first-page":"25","article-title":"Sinonasal psammomatoid ossifying fibromas: CT and MR manifestations","volume":"12","author":"Han","year":"1991"},{"key":"b11-peds12253","series-title":"Arch Otolaryngol Head Neck Surg","doi-asserted-by":"publisher","first-page":"1219","DOI":"10.1001\/archoto.2009.173","article-title":"Endoscopic resection of sinonasal cancers with and without craniotomy: oncologic results","volume":"135","author":"Hanna","year":"2009"},{"key":"b12-peds12253","series-title":"Ophthalmology","doi-asserted-by":"publisher","first-page":"591","DOI":"10.1016\/S0161-6420(98)94009-X","article-title":"The multidisciplinary management of psammomatoid ossifying fibroma of the orbit","volume":"105","author":"Hartstein","year":"1998"},{"key":"b13-peds12253","series-title":"J Neurosurg","doi-asserted-by":"publisher","first-page":"1151","DOI":"10.3171\/jns.2005.102.6.1151","article-title":"Juvenile psammomatoid ossifying fibroma of the neurocranium. 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