This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testis & Scrotum, Subject name: Surgery
[{'content': 'Which is a feature of filarial epididymo orchitis? \nSelect and explain. \nA. Absence of involvement of seminal vesicles on PR, B. Eosinophilia, C. Microfilaria in blood, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: d (All of the above) Ref:S. Das, p. 459- Filarial epididymo orchitis is quite common and subacute in nature.- Usually affects the globus major of the epididymis.- Gradually testis is involved.- Secondary hydrocoele is not uncommon.Thberculous epididymitisCraggy epididymis leading to softening.Filarial epididymo-orchitisPresence of a history of periodic feverAbsence of craggy epididymisFormation of cold abscess sinusAbsence of involvement of the seminal vesicles on rectal examinationPresence of eosinophiliaDemonstration of microfilaria in peripheral blood', 'role': 'assistant'}]