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Ectopic schwannoma of the sellar region in a 1-year-old child: A case report and review of literature.
Surg Neurol Int
September 2022
Department of Neurosurgery, University of Cincinnati, Cincinnati, United States.
Background: Schwannomas are cranial and spinal nerves' sheath tumors accounting for up to 8% of all intracranial neoplasms. Although typical intracranial schwannomas originate from Schwann cells surrounding cranial nerves, ectopic schwannomas are not associated with a known cranial nerve or have an unknown origin. The location of schwannomas may impose clinical challenges.
View Article and Find Full Text PDFPrimary intrasellar schwannoma with intratumoral hemorrhage mimicking pituitary apoplexy: A case report.
Neurochirurgie
September 2021
Neurosurgical department, Second Affiliated Hospital, Xi'an Jiaotong University, 710004 Xi'an, China.
Tumours growing in the sella turcica are mostly pituitary adenomas. We describe a rare case of primary intrasellar schwannoma with intratumoral bleeding. A 38-year-old man presented with headache in association with bilateral supratemporal quadrantopsia.
View Article and Find Full Text PDFIntrasellar and Suprasellar Schwannoma Misdiagnosed as Pituitary Macroadenoma: A Case Report and Review of the Literature.
World Neurosurg
December 2016
Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, People's Republic of China; Brain Science Research Institute, Shandong University, Jinan, Shandong Province, People's Republic of China. Electronic address:
Background: Intracranial schwannomas usually arise from sensory nerves with a predilection for the trigeminal nerve and the vestibular component of the eighth cranial nerve (VIII). Schwannoma arising in the sella and extending into the suprasellar region is exceedingly rare and easily misdiagnosed as pituitary macroadenoma. Only 26 cases of intrasellar schwannomas have been reported in the literature.
View Article and Find Full Text PDFComputed tomography and magnetic resonance imaging findings of intrasellar schwannoma: A case report and literature review.
Oncol Lett
March 2016
Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China.
Intrasellar schwannoma is extremely rare, and only a few cases have been reported in the literature to date. In the present study, the clinical, radiological and pathological features of a 50-year-old male patient with primary intrasellar schwannoma are presented. The patient presented with decreased visual acuity, and a subsequent computed tomography (CT) scan revealed a giant well-demarcated intrasellar mass with suprasellar extension, without cavernous sinus invasion.
View Article and Find Full Text PDFSchwannoma in Sellar Region Mimics Invasive Pituitary Macroadenoma: Literature Review With One Case Report.
Medicine (Baltimore)
March 2016
From the Department of Neurosurgery (XK, WM, YL, YY, BX, JW, YY, JG, WL, ZX, WD, ZR, CS, RW); Department of Pathology (HW), Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
In central nervous system, schwannomas, as ubiquitous tumors, mostly originate from sensory nerves like auditory and trigeminal nerves. However, intrasellar schwannomas are extremely rare. They are often misdiagnosed as pituitary adenomas.
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