Presentation
Headache and vomiting.
Patient Data
Age: 70
Gender: Female
From the case:
Acoustic schwannoma (large with intratumoral hemorrhage)
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Rounded hyperdense lesion with mild surrounding edema in the left cerebellopontine angle.
From the case:
Acoustic schwannoma (large with intratumoral hemorrhage)
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Left cerebellopontine angle extra-axial mass with a hemorrhagic component. It shows extension through the internal auditory meatus and displays enhancement onthe post-contrast study.
Case Discussion
Diagnosis of acoustic schwannoma was proven following resection.
Histology:
Spindle cell proliferation with irregular nuclei and occasional palisading. Sclerotic, hyalinized blood vessels. Focal chronic inflammation with perivascular lymphoid infiltrates and hemosiderin-laden macrophages.
Final diagnosis: Acoustic schwannoma
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