Spinal schwannoma (thoracic)

Case contributed by A.Prof Frank Gaillard
Modality: 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 tumour, 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 tumour 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 tumour is well circumscribed and surrounded by a compressed fibrous tissue pseudocapsule.

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Case Information

rID: 5324
Case created: 2nd Jan 2009
Last edited: 23rd Sep 2015
Inclusion in quiz mode: Included

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