The solitary renal calyx and papilla in human kidneys.
Three cases of unipapillary and unicalyceal kidneys are presented together with a review of 7 isolated cases taken from the literature. This anomaly is rare in humans and usually associated with other significant morphological or functional abnormalities of the urinary system, most frequently absence of the contralateral kidney.
D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007670:Kidney Calices / Q000002:abnormalities* / Q000000981:diagnostic imaging; D007679:Kidney Medulla / Q000002:abnormalities* / Q000000981:diagnostic imaging; D007682:Kidney Pelvis / Q000002:abnormalities*; D008297:Male; D011859:Radiography