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A case of hypothalamic hamartoma associated with arachnoid cyst
1Department of Neurosurgery, Oita Medical University, 1-1 Idaigaoka, Hasama-machi, Oita, 879-5593, Japan. goda@oita-med.ac.jp
Abstract:
A 14-year-old girl presented with seizures. Radiological examinations revealed an arachnoid cyst in left middle fossa and a cystic mass in the interpeduncular cistern. The cyst was opened and the wall of the cyst and a mass were biopsied. The histological findings were characteristic of an arachnoid cyst and hamartoma, respectively. A hypothalamic hamartoma associated with an arachnoid cyst is comparatively rare; however, such a case may help clarify the genesis of this malformation.