Sickle cell priapism.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000755:Anemia, Sickle Cell / Q000150:complications*; D044383:Black People; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008297:Male; D009549:Nigeria; D011317:Priapism / Q000209:etiology*