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Fine Needle Aspiration Cytology of Atypical Proliferative Lesion of the Breast.
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Original Article Fine Needle Aspiration Cytology of Atypical Proliferative Lesion of the Breast.
Kun Chang Song, Kwang Gil Lee
Journal of Pathology and Translational Medicine 1994;5(1):52-56
DOI: https://doi.org/
Department of Pathology, Yonsei University College of Medicine, Korea.
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We experienced a case of fine-needle aspiration(FNA) cytology of breast which showed atypical proliferative lesion. It was very difficult to differentiate this case from malignancy, because of hypercellular smear and many clusters composed of large, atypical ductal cells. However, it showed other features favoring benignancy, such as tendency of cellular cohesiveness, only slightly increased nucleus/cytoplasm ratio and most importantly presence of myoepithelial cells. It's histologic diagnosis was intraductal hyperplasia with atypia. This case indicates that all atypical breast FNA specimen should lead to the suggestion of surgical biopsy for avoiding over- or under-diagnosis.

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