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What is 5 yr old male had fever and cervical lymphadenopathy. Histopathologic examination of cervical lymph nodes shows: and explain in detail?
Ans. (a) Caseating granulomaCaseating granuloma typical granuloma resulting from infection with Mycobacterium tuberculosis showing central area of caseous necrosis, activated epithelioid macrophages, giant cells, and a peripheral accumulation of lymphocytes.. We can also see langhans giant cell at 3, 0 clock position in image