杜氏利什曼原虫侵入人体后,一般都引起以内脏为主的全身感染,出现不规则发热和脾、肝肿大等典型的黑热病症状。但有些人由于机体免疫反应的不同,可使感染局限于皮肤或淋巴结内,在临床上表现为皮肤型或淋巴结型黑热病。因其症状与常见的黑热病迥然不同,一般医务人员对此大都缺乏认识,以致患者得不到及时的发现与治疗,影响防治工作的顺利开展,特别是皮肤型黑热病,可作为传染源而长期存在,给消灭黑热病带来一定的困难,更应当引起重视。 Leishmania donovani invades the human body, usually caused by the internal organs-based systemic infection, irregular fever and spleen, hepatomegaly and other typical symptoms of kala-azar. However, some people may confine the infection to the skin or lymph nodes due to the difference in the immune response of the body, which is clinically manifested as cutaneous or lymphoid kala-azar. Because of their different symptoms and common kala-azar, the majority of medical staff lack most of knowledge about this, so that patients can not get timely detection and treatment, affecting the smooth implementation of prevention and control work, especially skin-type kala-azar, which can be used as a source of infection for a long time to exist , To bring about the elimination of kala-azar some difficulties, more should be taken seriously.