Primary cutaneous amyloidosis of the auricular concha: Case report and review of published work

被引:10
作者
Shimauchi, Takatoshi [1 ]
Shin, Ji hyun [1 ]
Tokura, Yoshiki [1 ]
机构
[1] Univ Occupat & Environm Hlth, Dept Dermatol, Yahatanishi Ku, Kitakyushu 8078555, Japan
关键词
auricular concha; cutaneous amyloidosis; cytokeratin;
D O I
10.1111/j.1346-8138.2006.00027.x
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
A 70-year-old Japanese female developed tiny papules on her bilateral ears 2 years previously. A histological study of a biopsy specimen revealed that amorphous materials were present in the widened dermal papillae. Because these materials were positive for both Congo red and Dylon, we diagnosed the lesion as primary cutaneous amyloidosis of the auricular concha. Immunohistochemically, the amyloid substance stained positively with 34 beta E12 (cytokeratin 1/5/10/14), suggesting that it had an epidermal origin. Seven reported cases of this unique disorder were also reviewed.
引用
收藏
页码:128 / 131
页数:4
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