This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Staphylococci, Subject name: Microbiology
[{'content': 'Granuloma in lymph nodes seen is in all infections EXCEPT: \nSelect and explain. \nA. TB, B. Sarcoidosis, C. Staph Aureus, D. Hemophilus ducreyi', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Staph AureusRef: Robbin\'s 9th ed.Diseases Characterized by Granulomas* Tuberculosis: The granulomas of tuberculosis tend to contain necrosis ("caseating tubercules"), but non- necrotizing granulomas may also be present.* Leprosy: In leprosy, granulomas are found in the skin and tend to involve nerves.* Sarcoidosis: is a disease of unknown cause characterized by non-necrotizing ("non-caseating") granulomas in multiple organs and body sites, most commonly the lungs and lymph nodes within the chest cavity.* Hemophilus Ducreyi causes chancre. It presents with painful genital ulcer with painful lymphadenopathy* Staph aureus infections like pyoderma, abscess, HAP, food poisoning etc doesn\'t involve lymph nodes.', 'role': 'assistant'}]