结节病是一种原因未明的多系统非干酪坏死性肉芽肿病变 ,常累及肺和胸内淋巴结并可侵犯全身多个器官 ,近年来国内发病率逐年增加[1] 。本文报告自 1983年 8月～ 1999年 6月收治的经病理学证实的结节病 2 6例 ,其中 2 2例为胸内结节病 ,现就其临床和ＣＴ表现探讨如下。1　临床资 Sarcoidosis is a multi-system, non-necrotizing granulomatous disease of unknown etiology. It frequently affects lung and thymus lymph nodes and invades multiple organs throughout the body. In recent years, the incidence has been increasing in China [1]. This article reports from August 1983 to June 1999 confirmed pathologically confirmed 26 cases of sarcoidosis, of which 22 cases of intrathoracic sarcoidosis, now on their clinical and CT findings are as follows. 1 clinical resources