Retroperitoneal teratomas and cysts in infancy and childhood. Report of 4 cases with unusual presentation.
D002648:Child; D002675:Child, Preschool; D003560:Cysts / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D013724:Teratoma / Q000175:diagnosis*