<prompt> Non-caseating granulomas are seen in the following EXCEPTTuberculosisByssinosisHodgkins diseaseMetastatic lung carcinoma  <response>: Ans. d Metastatic lung carcinoma. Ref. Robbin, Pathology, 6th ed., 83 In tuberculosis, granuloma is characterized by central area of necrosis caseation, when classical. However non-caseating granulomas can also be seen in TB. Non-caseating granuloma:- Leprosy,- Syphilis,- Sarcoidosis,- Berylliosis,- Lymphogranuloma inguinale,- Certain mycotic infections- Reactions of irritant lipids. 