美洲皮肤利什曼病(ATL)是巴西的地方性流行病,分布范围广,患者的皮肤损害经治愈或自愈,数月后留下圆形、光滑有光泽的伤疤,局部凹陷,色素减少或增多。皮肤利什曼病(CL)有时可发生粘膜型利什曼病(MCL),巴西利什曼原虫可侵入鼻咽部粘膜发育繁殖,引起活动性粘膜病变。本文作者用组织病理学和免疫组织化学等技术诊断ATL,并进行了对比研究。 American dermal leishmaniasis (ATL), a endemic pandemic in Brazil, spreads extensively. The patient’s skin lesions are healed or healed. After a few months, rounded, smooth and glossy scars leave with localized depressions and reduced pigmentation Or increase. Cutaneous leishmaniasis (CL) can sometimes occur mucosal leishmaniasis (MCL), Leishmaniasis can invade nasopharyngeal mucosal development, causing active mucosal lesions. The authors used techniques such as histopathology and immunohistochemistry to diagnose ATL and conducted a comparative study.