A 36 year old man presents with 3 months of cough, weight loss, night sweats, and intermittent hemoptysis. He recently immigrated from an area with high tuberculosis prevalence. Chest imaging shows cavitary lesions in the upper lobes. Biopsy of a lung lesion demonstrates amorphous granular debris surrounded by epithelioid histiocytes and multinucleated giant cells. Which of the following types of necrosis is most likely present?
- A)Caseous necrosisGABARITO
- B)Fibrinoid necrosis
- C)Fat necrosis
- D)Liquefactive necrosis
- E)Coagulative necrosis
Explicação
The chronic constitutional symptoms, upper lobe cavitary disease, and granulomatous histology strongly indicate tuberculosis. Caseous necrosis is the classic necrotic pattern in TB and certain fungal infections, with a cheese like acellular center surrounded b... Ver explicação completa e trilha adaptativa →