结节病是一种病因不清,在病理上不发生干酪样坏死的良性上皮样慢性肉芽肿病变,可发生在淋巴结、肺、皮肤、眼、肝、脾、指骨等多种器官。90%的患者对结核菌素呈阴性反应,5%的病人患结核病。此病的同义词甚多,如冻疮样狼疮,良性淋巴肉芽肿,结节性结节病、类结核病、Boock氏肉样瘤等等。其临床症状多属轻微,早期病变可自行消散,病程进展缓慢,复发和缓解交替出现,最后可完全吸收或由玻璃样纤维组织所代替。过去认为本病少见,但近年来世界各地 Sarcoidosis is an unclear etiology of benign epithelioid chronic granulomatous disease that does not cause caseous necrosis in the pathology. It can occur in various organs such as lymph nodes, lungs, skin, eyes, liver, spleen and phalanges. 90% of patients negative for tuberculin, 5% of patients suffering from tuberculosis. The disease is synonymous with many, such as frostbite, benign lymphogranuloma, nodular sarcoidosis, tuberculosis, Boock’s sarcoma and so on. The clinical symptoms are mostly mild, early lesions can dissipate itself, the course of slow progress, recurrence and remission alternating, and finally can be completely absorbed or replaced by glass-like fibrous tissue. In the past that the rare disease, but in recent years around the world