期刊
JOURNAL OF NEUROSURGERY
卷 97, 期 6, 页码 1450-1455出版社
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/jns.2002.97.6.1450
关键词
meningioma; rhabdoid tumor; ganglioglioma; neurofibromatosis Type 2; fluorescence in situ hybridization
A highly malignant brain neoplasm with rhabdoid morphological features emerged in the bed of a subtotally resected ganglioglioma in a 54-year-old retired nuclear submarine officer. A combined application of neuroimaging, immunohistochemical studies, electron microscopy, and fluorescence in situ hybridization (FISH) was used to establish the morphological identity of the tumor. The rhabdoid appearance of the tumor cells indicated either an especially malignant variant of rhabdoid meningioma or an atypical teratoid/rhabdoid tumor with an unusually late onset. Whereas immunohistochemical studies and electron microscopy could only be used to narrow down the differential diagnosis, FISH revealed loss of one copy of NF2 with preservation of the INII region on 22q, thus establishing the identity of the tumor.
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