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[Primary leiomyosarcoma of bone: a clinico-pathologic and immunohistochemical study of 3 cases]
1Service Central d'Anatomie et Cytologie Pathologiques, Hôpital Saint-Antoine, Paris.
Annales De Pathologie
|January 1, 1996
Abstract:
Primary leiomyosarcoma of bone is rare. Herein we describe 3 cases with immunohistochemical study. All 3 cases were positive for smooth muscle actin and/or desmin. None was positive for cytokeratin. Differential diagnosis includes metastatic spindle cell carcinoma, other sarcoma (fibrosarcoma, malignant fibrous histiocytoma) and metastatic extra-osseous leiomyosarcoma, mostly from uterus or digestive tract.