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A very rare, petro-clival, neurothekeoma tumor. Case Report

By Iacob G., Tene Silvia, Iuga Mariana and Simion G.

Abstract

Known as nerve sheath myxoma too, neurothekeoma are benign tumors, usually arise in the skin of the head, neck region and upper extremities, in young females. Cerebral neurothekeoma are very rare, a few cases were already described in the parasellar area, in the middle cranial and posterior fossa. We present a petro-clival neurotekoma. A 78-year-old male was admitted for two years left fronto-temporal headache completed in the last 6 months with left trigeminal V1 neuralgia, left facial hypoesthesia, diplopia, swallowing disorders for liquid foods, balance disorders. From his medical records we noticed: stage 2 chronic kidney disease, hypertension, prostate adenoma, dyslipidemia hypercholesterolemia. The MRI showed a macronodular petroclival mass in hiper T2, hipo T1, flair iso signal; normal cerebral angiography. The patient was operated on using a left retrosigmoid, retromastoidian approach. A 4/3/3 cm tumor, gray, encapsulated, soft consistency, partially cystic, less bleeding, attached to the dura, displacing the basilar artery and brain stem controlateral, encasing the trigeminal nerve. The tumor was totally removed with a good postop evolution. Six months follow up he had no more facial pain, but only persistant left facial hypoesthesia. Histologically the tumor had lobular appearance with spindle or stellate cells embedded in abundant myxoid background. The tumor cells were diffusely positive for S100, PGP9.5’, CD 34” positive in vessels, Ki67’positive in 5%. Cranial MRI performed one month after surgery did not show any residual tumor. Also known as nerve sheath myxomas, neurothekoma are rare benign tumors. For intracranial neurothekoma surgical indication is mandator

Topics: intracranial neurothekoma, petro-clival tumor, nerve sheath myxoma, Neurology. Diseases of the nervous system, RC346-429
Publisher: De Gruyter Open
Year: 2015
DOI identifier: 10.1515/romneu-2015-0032
OAI identifier: oai:doaj.org/article:08d63e461343461f9aff37147d890ae5
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