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What is Granuloma in lymph nodes seen is in all infections EXCEPT: and explain in detail?
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.