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Pathol Res Pract. 1989 Oct;185(4):480-5; discussion 486-7.

Primary omental tumor with ultrastructural features of cellular schwannoma and absence of S-100 antigen reactivity.

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1
Dept. of Pathology, Medical School, University of Valencia, Spain.

Abstract

We report a primary well-delimited, large mesenchymal omental neoplasm which appeared in a 58 year old man without neurofibromatous traces. The histological and ultrastructural features were consistent with a Schwann cell origin. However, repeated immunohistochemical reactions failed to demonstrate protein S-100 antigen reactivity in the neoplastic cells, the latter only expressing vimentin. The differential diagnosis with hemangiopericytoma is proposed.

PMID:
2602221
DOI:
10.1016/S0344-0338(89)80067-6
[Indexed for MEDLINE]
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