发生在淋巴结以外尤其是皮肤上的套细胞淋巴瘤 (ＭＣＬ)很难诊断 ,由于皮肤为首发部位的较罕见 ,在皮肤病学和皮肤病理学文献中有关ＭＣＬ的描述很少。该病例表明 ,ＭＣＬ也会首发于皮肤。患者男性 ,4 7岁 ,双耳垂红肿 1年 ,几周前耳垂进行性发硬及变色。伴发热和腹泻数月 ,体 Mantle cell lymphoma (MCL) that occurs outside of the lymph nodes, especially on the skin, is very difficult to diagnose and few descriptions have been made of MCL in the dermatology and dermatopathic literature due to the rare presence of skin as a primary site. This case shows that MCL also starts on the skin. Male patient, 47 years old, bilateral ear swelling 1 year, a few weeks ago the earlobe progressive hard and discoloration. With fever and diarrhea for months, body