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Hellenic Archives of Pathology, Volume 20, Issues 1-3, 2006
Juvenile pilocytic astrocytoma of the optic chiasm
with invasive characters in an adult patient.
Case report and short review of the literature
Mourouti G.1, Éoanidis É.1, Ôsiambas Å.1, Ìichelenas Í.2
1Departments of Pathology and
2Neurosurgery, Army Share Fund Hospital (ÍÉÌÔS), Athens, Greece
Pilocytic astrocytoma is the most common pediatric tumor of the central nervous system. It originates from glial cells and is usually located in the cerebellum. Most patients present with clinical symptoms in the first two decades of their life. These symptoms usually last for a short period of time and are directly related to the specific location of the tumor. Prognosis is good and in most cases the treatment of choice is surgical resection of the tumor. A case of a 31-year-old patient with pilocytic astrocytoma located in the opticochiasmatic apparatus is reported. The patient had blurred vision on the left eye and persisting headache for four months. Cranial computerized tomography scanning revealed an opticochiasmatic mass. Biopsy was performed and histological examination showed evidence of pilocytic astrocytoma. In this case report, we discuss the pathological findings with a short review of the relevant literature.
Key words: Pilocytic, astrocytoma, optic chiasm.
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