Adult medulloblastoma and the "dural-tail" sign: Rare mimic of a posterior petrous meningioma

作者：Furtado Sunil V^*; Venkatesh Prasanna K; Dadlani Ravi; Reddy Kalyan; Hedge A S

来源：Clinical Neurology and Neurosurgery, 2009, 111(6): 540-543.

DOI：10.1016/j.clineuro.2009.02.002

• Cerebellum
• Cerebellopontine angle
• Magnetic resonance
• Medulloblastoma
• Meningioma
• Petrous bone

The authors describe clinical and radiological features of a 32-year-old male patient with a posterior fossa lesion. The radiological characteristics resembled an extra-axial lesion; a meningioma, with attachment to the tentorium and petrous bone. The histological diagnosis was classical medulloblastoma. We review literature of this atypical presentation of medulloblastoma and "dural-tail" sign, which can be associated with other benign or malignant lesions. The role of magnetic resonance spectroscopy in the diagnosis of primitive neuroectodermal tumors is discussed.

• 出版日期2009-7