Cytology of Plasmacytoid Type Myoepithelioma - Report of Two Cases -
김나래, 조현이, 하승연,
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김나래 ( Kim Na-Rai )
가천의과학대학교 길병원 병리과학교실
조현이 ( Cho Hyun-Yee )
가천의과학대학교 길병원 병리과학교실
하승연 ( Ha Seung-Yeon )
가천의과학대학교 길병원 병리과학교실
KMID : 0357920090430050489
Abstract
Myoepithelioma is a rare benign tumor of salivary gland myoepithelial cells, most commonly as a spindle subtype. Here, we present two cases of fine needle aspiration cytology of plasmacytoid myoepithelioma arising from a parotid gland and a hard palate. Aspirates showed plasmacytoid cells with pink-staining, homogeneous, abundant eosinophilic cytoplasm eccentrically displacing the nucleus in cohesive and dissociated forms. Rarely, nuclear grooves and intranuclear cytoplasmic inclusions were evident. These unfamiliar cytologic findings of uncommon myoepithelioma often cause diagnostic difficulties in preoperative aspiration cytology. Recognition of those rare findings provides a reliable diagnostic clue.
키워드
Myoepithelioma;Biopsy;fine needle;Cytology;Salivary gland neoplasms
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