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Pleomorphic xanthoastrocytoma.

M T Yoshino1, R Lucio

  • 1Department of Radiology, University of Arizona Health Sciences Center, Tucson 85724.

AJNR. American Journal of Neuroradiology
|September 1, 1992
PubMed
Summary
This summary is machine-generated.

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Pleomorphic astrocytoma, a rare brain tumor, presents unique characteristics and an unexpectedly favorable prognosis. These temporal lobe masses are often cystic and peripherally located, offering distinct diagnostic clues.

Area of Science:

  • Neuro-oncology
  • Neurosurgery
  • Neuroradiology

Background:

  • Pleomorphic astrocytoma is a rare primary brain tumor.
  • This tumor type exhibits an unusually good prognosis compared to other astrocytomas.

Observation:

  • The reported cases highlight typical features of pleomorphic astrocytoma.
  • Lesions are often peripherally located, partially cystic temporal lobe masses.
  • Dural attachment is a frequent characteristic, while calcifications are typically absent.

Findings:

  • Angiography generally reveals a hypovascular mass.
  • External carotid artery blood supply may be observed in some cases.

Implications:

  • Understanding these imaging and pathological features aids in accurate diagnosis.

Related Experiment Videos

  • Recognizing the favorable prognosis can influence treatment strategies for pleomorphic astrocytoma.
  • Further research into the specific biology of these tumors may reveal novel therapeutic targets.