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[Dermal myxoma of nerve sheats (neurothecoma)]
O Tellechea1, J P Reis, A P Baptista
1Clinique de Dermatologie, Hospital da Universidade, Coimbra, Portugal.
Annales De Dermatologie Et De Venereologie
|January 1, 1992
Abstract:
The histological study of a painful cutaneous nodule located in the interscapular region, which had been present for 20 years in a 59-year old male patient has show typical features of dermal myxoma of the nerve sheaths. This was a lobulated myxomatous tumour with fusiform and dendritic cells plus a few epithelioid and multinucleate cells. Immunostaining was positive for the S100 protein and negative for factor XIIIa and EMA. These data suggest that this tumour was of schwannian origin.