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Aspiration biopsy cytology of mammary myoepithelioma
G K Nguyen1, T K Shnitka, L D Jewell
1Department of Pathology, University of Alberta Faculty of Medicine, Canada.
Diagnostic Cytopathology
|December 1, 1987
Abstract:
A case of ultrastructurally confirmed myoepithelioma of the breast studied by fine-needle aspiration biopsy is reported. Aspirated tumor cells were spindle-shaped with well-defined cytoplasm and oval nuclei showing no remarkable nuclear pleomorphism. They were seen mainly in irregular bundles with strong cellular cohesiveness. Their cytoplasm contained S-100 protein demonstrated by the peroxidase antiperoxidase staining technique.