<prompt> 50 year old male with scrotal pain for 2 days, pain decreases with elevation of testis. Clinical diagnosis is:TorsionEpididymoorchitisHerniaHydrocele  <response>: Ans. b EpididymoorchitisRef: Bailey 26th Edition, Page 1384 The sign demonstrated above is PREHNs SIGN The sign is used to differentiate Orchitis and Torsion. In Prehns sign - Elevation of Testis reduces the pain in Orchitis. 