A Pilocytic Astrocytoma Mimicking a Clinoidal Meningioma

  title={A Pilocytic Astrocytoma Mimicking a Clinoidal Meningioma},
  author={Christopher S. Hong and Norman L Lehman and Eric A Sauvageau},
  booktitle={Case reports in radiology},
Pilocytic astrocytomas and meningiomas are benign, primary brain tumors that may involve the optic tract. Classically, the presence of a dural "tail" sign may differentiate a meningioma from other intracranial lesions. In this report, we describe a mass with the typical appearance of a clinoidal meningioma on magnetic resonance imaging (MRI) but postoperatively diagnosed as a pilocytic astrocytoma. This case illustrates the rare occurrence of a pilocytic astrocytoma mimicking a meningioma on… CONTINUE READING
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