Spinal schwannoma (thoracic)

Case contributed by Assoc Prof Frank Gaillard
MRI

There is an extramedullary, intradural lesion, of lows T1 and high T2 signal, which is vividly, but heterogenously enhancing on post contrast images. 

Case Discussion

Final Diagnosis:

Intradural T9-T10 tumor, resection: Schwannoma.

Gross Description:

The specimen [..] consists of a smooth-surfaced pink-yellowish nodule measuring 2 X 1.4 X 0.8 cm.

Microscopic Description:

[...] neoplasm with the typical histologic features of schwannoma. The tumor cells are arranged in compact, interlacing bundles in the Antoni type A areas and in a more loose fashion in the Antoni type B areas. There is focal formation of Verocay bodies. Scattered throughout are thick-wall hyalinized blood vessels. Within the center of the neoplasm there are variably dilated cystic spaces, some of which contain blood. The tumor is well circumscribed and surrounded by a compressed fibrous tissue pseudocapsule.

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Case information

rID: 5324
Published: 2nd Jan 2009
Last edited: 16th Jul 2020
Inclusion in quiz mode: Included

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