结节病为原因不明的多系统肉芽肿性疾病,一般为良性经过,可累计淋巴结、肺、胸膜、骨骼、皮肤眼、肝、脾、腮腺及扁桃体等器官。结节病可发生于任何年龄,多见于20~40岁,女性较多。临床症状于影像学表现常不相称,即肺部改变明显 Sarcoidosis is an unidentified multi-system granulomatous disease, usually benign, accumulating lymph nodes, lungs, pleura, bones, skin eyes, liver, spleen, parotid and tonsils and other organs. Sarcoidosis can occur at any age, more common in 20 to 40 years old, more women. Clinical symptoms are often disproportionate in imaging, that is, the lungs change significantly