This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
A young boy 18 years of age presents with Pain in groin for 2 days. On examination the testis seems high and cremasteric reflex is absent. Elevation of testis worsens the pain. The probable diagnosis is: 
Select and explain. 
A. Right testicular torsion, B. Right strangulated hernia, C. Right inguinal hernia, D. Right epididymo-orchitis
A: Right testicular torsion
Answer: A: Right testicular torsion 
Explanation: Ans. (a) Right testicular torsionRef: Bailey 26th Edition, Page 1380* Torsion of Testis is most common between 10 to 25 years. Cremasteric reflex is lost. Elevation of testis worsen the pain