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
Granuloma in lymph nodes seen is in all infections EXCEPT: 
Select and explain. 
A. TB, B. Sarcoidosis, C. Staph Aureus, D. Hemophilus ducreyi
C: Staph Aureus
Answer: C: Staph Aureus 
Explanation: 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.