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J Clin Pathol. 1996 November; 49(11): 950–951.
PMCID: PMC500840

Malignant melanoma showing smooth muscle differentiation.

Abstract

A unique case of a metastatic non-desmoplastic sarcomatoid malignant melanoma in an axillary lymph node showing smooth muscle differentiation in a 54 year old woman is described. The tumour cells exhibited alpha-smooth muscle actin, HHF-35 and desmin positivity but were negative for S100 protein and HMB-45. Ultrastructural examination revealed smooth muscle phenotype and there was no evidence of myofibroblastic differentiation, a feature described previously in desmoplastic melanomas.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
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