40 year old men is suffering from fever & pain in scrotum which is not relieved by elevation of testis. 3 days before had sexual contact with a young female ?

Ans is 'c' ie Torsion of testis Torsion of testis can be differentiated from acute epididymitis by Prehn's sign. ie. On elevation of testis the pain increases in --> Torsion On elevation of testis the pain decreases in epididymoorchitis. Dont be confused with fever, it can also occur in torsion, especially in older patients.