Incidence of Sarcoidosis in Korea has been believed to be very low but recently there are sharp increase in number of case reports fo the sarcoidosis in Korea. And recent advance in CT made the differentiation of some kind of mediastinal lymph node disease possible on the base of lymph node enhancement pattern, Authors experienced a case of sarcoidosis involving the mediastinum the lung and the eye with tyupical radiologic pathologic & clinical features but which showed an unexpected lymph node enhancement patten on CT scan mimicking tubercu-lous lymphadenitis and characteristic histophologic features of healing sarcoid granuloma during the steroid treatment. So authors present the case with literature review and radiologic pathologic correlation with emphasis on the differentiation from tuberculous lymphadenitis.