Which of the following is the most likely cause in a case of granuloma?: (A) Cat scratch disease, (B) Trench fever, (C) Leprosy, (D) Syphilis
Answer is A. Various granulomatous diseases and their causitive agents. Tubeculosis -Mycobacterium tuberculosis Leprosy -Mycobacterium Leprae Syphilis -Treponema palidium Cat-scratch disease - Baonella henselae (Gram-negative bacillus) Crohn disease (inflammatory bowel disease)- Immune reaction against intestinal bacteria, possibly self antigens