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

来源：

DERMATOLOGY | 1997年 / 195卷 / 01期

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

页码：57 / 59

页数：3

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