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HMB-45 염색에 음성을 보인 저색소성세포성 청색모반 1예
이미우,최지호,성경제,문기찬,고재경 대한피부과학회 2002 大韓皮膚科學會誌 Vol.40 No.2
Blue nevus is a benign pigmented lesion of dermal melanocytes with a number of histologic and clinical variants. We report a variant of cellular blue nevus that is minimally pigmented. Immunohistochemistry showed the case to be strongly positive with S-100 protein, but negative with Ki-67 and HMB-45 antibody. There is a potential for hypopigmented cellular blue nevus to be confused with other benign nevus, such as intradermal nevus, Spitz nevus, and deep penetrating nevus and malignant melanoma.
이미우,최지호,성경제,문기찬,고재경,강숙경,배지영 대한피부과학회 2002 大韓皮膚科學會誌 Vol.40 No.2
Nodular fasciitis is a reactive myofibroblastic proliferative lesion and is frequently misdiagnosed as a sarcoma. Histopathologically, nodular fasciitis can be grouped into three subtypes based on their relation with the fascia: subcutaneous, fascial, intramuscular. The subcutaneous type is the most common type. Its histological appearance is quite variable, with lesions ranging from highly cellular "pseudosarcomatous" to myxoid proliferations, to hyalinized tumefactions with keloid-like strands of collagen. Herein we report a case of subcutaneous nodular fasciitis showing keloid-like, hylainized, and thickened collagenous change.