Hypothalamic Pilocytic Astrocytoma Presenting with Intratumoral and Subarachnoid Hemorrhage —Case Report—

Katsumi MATSUMOTO; Katsuhito AKAGI; Makoto ABEKURA; Yasutaka MAEDA; Masahiko KITAGAWA; Hideho RYUJIN; Nobutaka IWASA

doi:10.2176/nmc.37.849

Katsumi MATSUMOTO, Katsuhito AKAGI, Makoto ABEKURA, Yasutaka MAEDA, Masahiko KITAGAWA, Hideho RYUJIN, Nobutaka IWASA

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Keywords: hemorrhage, hypothalamus, pilocytic astrocytoma

JOURNAL FREE ACCESS

1997 Volume 37 Issue 11 Pages 849-851

DOI https://doi.org/10.2176/nmc.37.849

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Abstract

A 45-year-old male presented with sudden onset of severe headache. Computed tomography and magnetic resonance imaging demonstrated an irregularly enhanced suprasellar mass with intratumoral and subarachnoid hemorrhage. The mass was removed in two operations. Histological examination of the tumor revealed pilocytic astrocytoma. The relatively rich vascularity and perivascular tumor cell proliferation observed in this benign lesion were probably the causes of this extremely rare association.

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