Spinal schwannoma just below conus


It is difficult to be certain of the diagnosis on imaging criteria as both myxopapillary ependymomas and schwannomas can look just like this:

The very vivid enhancement and extremely well defined cystic component probably should make you favor a schwannoma. 

The patient went on to have a laminectomy and the mass was excised. 



Paraffin sections show a partially cystic moderately hypercellular neurilemmoma (Schwannoma). This is composed of both Antoni-A and B type tissues. Moderately well formed Verocay bodies are seen in Antoni-A areas. No mitotic figures are identified. There are no densely hypercellular areas and no areas of necrosis are seen.

DIAGNOSIS: Partially cystic neurilemmoma (Schwannoma).


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