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KMID : 0387919930040010025
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Korean Journal of Cytopathology
1993 Volume.4 No. 1 p.25 ~ p.29
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Aspiration Cytology of Pilomatrixoma
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고재수
하창원/조경자/장자준
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Abstract
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We describe cytologic findings of two cases of pilomatrixoma which had been cytological misdiagnosed as suspicious malignant and malignant lesions in 35 year-old and 22 year-old females who presented a palpable neck mass. The
cytologic
smears showed many basaloid cells with a high nuclear-cytoplasmic ratio, nuclear hyperchromatism and prominent nucleoli, keratinized squamous cells with pyknotic nuclei, foreign body giant cells, and chronic inflammatory cells in necotic
background.
Retrospective view of this aspiration smear revealed that these findings were characteristic features of pilomatrixoma, and the evenly distributed chromatin pattern as well as the lack of nuclear pleomorphism were considered to be the
differential polints from malignant neoplasm. Pilomatrixoma is a benign neoplasm which should be included in differential diagnosis if the fine needle aspiration cytologic smear of a neck mass or subcutaneous mass of any site showed
these
features.
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KEYWORD
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