Snapshot A 20-year-old man presents with left-sided testicular pain and swelling. He has a past medical history of multiple sexually transmitted infections. On physical exam, his left scrotum and testicle are erythematous, indurated, and tender to palpation. An ultrasound reveals a thickened epididymis. He is sent to the lab for testing for sexually transmitted diseases. Introduction Clinical definition login to view 1 more bullet Epidemiology login to view 7 more bullets Etiology login to view 5 more bullets Pathogenesis login to view 4 more bullets Prognosis login to view 1 more bullet Presentation Symptoms login to view 4 more bullets Physical exam login to view 5 more bullets Imaging Ultrasound login to view 6 more bullets Studies Urine login to view 3 more bullets Differential Testicular torsion login to view 1 more bullet Treatment Medical login to view 5 more bullets Complications Sepsis Testicular atrophy