Massive hematuria in a young adolescent with sickle cell trait.
D000293:Adolescent; D000755:Anemia, Sickle Cell / Q000150:complications*; D006417:Hematuria / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D012805:Sickle Cell Trait / Q000150:complications*