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The clear-cell variant of uterine epithelioid leiomyoma. An immunohistologic and ultrastructural study
K E Hyde1, K R Geisinger, R B Marshall
1Department of Pathology, Wake Forest University, Bowman Gray School of Medicine, Winston-Salem, NC 27103.
Archives of Pathology & Laboratory Medicine
|May 1, 1989
Abstract:
A case of a rare uterine clear-cell epithelioid leiomyoma is presented, emphasizing immunohistologic and ultrastructural findings. The presence of actin, vimentin, desmin, muscle-specific antigen, and smooth-muscle-specific actin in tumor cells indicates a smooth-muscle origin, confirmed by electron microscopy. Numerous vacuolated mitochondria produced the cytoplasmic "clearing" on light microscopy.