This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Caseous necrosis not found in? 
Select and explain. 
A. Tuberculosis, B. coccidioidomycosis, C. CMV, D. Histoplasmosis
C: CMV
Answer: C: CMV 
Explanation: Caseous necrosis is characteristic of tubercular granuloma, rare in others type of granulomatous disease. TB granuloma is a prototype of immune granuloma. These are caused by insoluble paicles; typically microbes that are capable of inducing a cell-mediated immune response. Granulomatous lesions may develop in the liver in CMV infection in leprosy, sarcoidosis, Crohn's disease etc we see non-caseating granuloma ref robbins pathology 9th ed page 98