This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia, Subject name: Surgery
[{'content': 'A 25 year old male presents with red, swollen testis. Upon examination testis is felt separate from epididymis because of marked swelling in epididymis. Diagnosis: \nSelect and explain. \nA. Testicular torsion, B. Fourniers gangrene, C. Epididymo orchitis, D. Testicular Cancer', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Epididymo orchitisRef: Bailey & Love 26th ed./1384ACUTE EPtDIDYMO ORCHITIS* Inflammation of the epididymis and testis, from an ascending infection from the lower urinary tract.* Initially epididymis is involved, after that there is involvement of testis.* Most cases of epididymitis in men younger than 35 years are due to sexually transmitted organisms * In children and older men this is due to urinary pathogens such as E. coli.* Patient presents with fever, swollen, red and tender scrotum.* The epididymis and testis are swollen (Thickened cord with reactive hydrocoele).* Urine analysis typically demonstrates WBCs and bacteria in the urine or urethral discharge* Scrotal USG showing enlarged epididymis with increased blood flow with reactive hydrocoele.Also know* Testicular torsion is commonly seen in pre- pubertal age group (10-25 years). Patients usually presents with sudden agonizing pain.', 'role': 'assistant'}]