Torsion of testis.
D000293:Adolescent; D003937:Diagnosis, Differential; D004823:Epididymitis / Q000175:diagnosis; D006801:Humans; D008297:Male; D009920:Orchitis / Q000175:diagnosis; D013733:Testicular Diseases / Q000175:diagnosis*; D014102:Torsion Abnormality / Q000175:diagnosis*