Acoustic schwannoma - large with cystic change
Case contributed by:
Dr Frank Gaillard
Presentation:
Left sided hearing loss.
From the case:
Acoustic schwannoma - large with cystic change
Modality:
MRI
Case Discussion:
MRI demonstrates typical findings of a large left sided acoustic schwannoma with cystic change - a common finding in larger schwannomas.
The patient went on to have a resection.
Final Diagnosis:
Brain, left acoustic lesion: Schwannoma.
Microscopic Description:
Sections show a variably cellular tumour with compact areas of fascicular growth pattern and prominent nuclear palisading and less cellular regions composed of reticular cells in a microcystic pattern. There are sclerotic blood vessels, hemosiderin-laden macrophages and focal chronic inflammation.
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