Epithelioid Myofibroblastoma of Mammary-type in Chest Wall - A Case Report -
김현정, 조경자, 노재윤, 이헌경, 이옥준,
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김현정 ( Kim Hyun-Jung )
인제대학교 의과대학 상계백병원 병리학교실
조경자 ( Cho Kyung-Ja )
울산대학교 의과대학 서울아산병원 병리과
노재윤 ( Ro Jae Y. )
울산대학교 의과대학 서울아산병원 병리과
이헌경 ( Lee Hun-Kyung )
Ewha Clinic
이옥준 ( Lee Ok-Jun )
울산대학교 의과대학 서울아산병원 병리과
KMID : 0357920050390020130
Abstract
Mammary-type myofibroblastoma of the soft tissue is a benign mesenchymal tumor, and it is a recently established clinical entity. We report a case of myofibroblastoma of the chest wall with a prominent epithelioid feature, that occurred in a 12-year old female. Although the lesion occurred in the breast area, there was no breast parenchyma in or around the mass, which favored soft tissue of the chest wall origin. The tumor was immunohistochemically identical to the mammary-type myofibroblastoma with diffuse and strong positivity against CD34 and desmin. The myoepithelial differentiation of the tumor was further supported by the electron microscopic analysis. This case indicates that mammary-type myofibroblastoma can occur in a young girl. The mammary-type myofibroblastoma should be considered a differential diagnosis, among epithelioid soft tissue neoplasms in the chest wall when the proper immunohistochemical work-up is done.
키워드
Mammary-type myofibroblastoma;CD34;Desmin;Epithelioid feature
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