Erschienen in:
01.08.2005 | Letter to the Editor
Rhabdoid cystic papillary meningioma with diffuse subarachnoid dissemination
verfasst von:
Koichi Wakabayashi, Naoya Suzuki, Fumiaki Mori, Mitsuru Kamada, Mitsuaki Hatanaka
Erschienen in:
Acta Neuropathologica
|
Ausgabe 2/2005
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Excerpt
Papillary meningioma is a rare variant of meningioma defined by the presence of a perivascular pseudopapillary pattern. Because papillary meningioma typically displays invasion of the brain, local recurrence, and distant metastasis, it has been graded as a WHO grade III tumor [
8]. Rhabdoid meningioma is a relatively newly recognized, distinct WHO grade III tumor that frequently develops on a background of other meningioma subtypes [
8]. Perry et al. [
9] described the first case of rhabdoid meningioma with papillary architecture resembling ependymoma in a 13-year-old girl. Subsequently, three additional cases of rhabdoid papillary meningioma have been reported [
1,
4,
10]. Here, we report a case of rhabdoid papillary meningioma with macroscopic and microscopic cysts, displaying extensive leptomeningeal dissemination after frequent local recurrence. …