A case of Bednar tumor - Immunohistochemical positivity for CD34

被引:18
作者
Kobayashi, T [1 ]
Hasegawa, Y [1 ]
Konohana, A [1 ]
Nakamura, N [1 ]
机构
[1] SAISEIKAI YOKOHAMASHI NANBU HOSP,DEPT PATHOL,YOKOHAMA,KANAGAWA 234,JAPAN
关键词
CD34; progenitor cell antigen; Bednar tumor; pigmented dermatofibrosarcoma protuberans; S-100; protein;
D O I
10.1159/000245689
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
A 42-year-old Japanese man with a Bednar tumor is described. The skin showed a slightly elevated, red, partially dark blue, dermal nodule growing into the deep subcutaneous tissue. The histological specimen showed two types of tumor cells, spindle-formed cells with no melanin granules and melanin-laden cells. Immunohistochemical stainings for CD34 and S-100 protein revealed that the former cells showed positivity only for CD34, while the latter were only pos itive for S-100 protein. These results suggest that the Bednar tumor is a dermatofibrosarcoma protuberans in which melanin-laden cells coexist.
引用
收藏
页码:57 / 59
页数:3
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