Leptomeningeal extension of cerebellar pilocytic astrocytoma: A case report

Y. Nomoto, A. Tanaka, Y. Nakayama, Y. Ueno, T. Iwaki

Research output: Contribution to journalArticle

Abstract

A cerebellar tumor was incidentally discovered on a CT scan of a 14- year-old boy, which was taken after a minor head trauma. The tumor had a large and thick-wall lining cyst, and was not enhanced with a contrast medium. Therefore, it was considered a ganglioglioma rather than a pilocytic astrocytoma. During surgery, the cerebellar cortex surrounding the tumor was found to be swollen. The tumor and the swollen cortex were removed en block. Histological examinations proved it to be a pilocytic astrocytoma associated with an extension to the surrounding leptomeninges. Radiological diagnosis, therapeutic strategy and prognosis of pilocytic astrocytomas with such an extension or dissemination into the subarachnoid space are discussed.

Original languageEnglish
Pages (from-to)185-189
Number of pages5
JournalJapanese Journal of Neurosurgery
Volume9
Issue number3
DOIs
Publication statusPublished - Jan 1 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

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