Evaluation of malfunctioning ventriculoperitoneal shunts with gray scale echography.
D000005:Abdomen; D000293:Adolescent; D002557:Cerebrospinal Fluid Shunts; D003560:Cysts / Q000175:diagnosis; D006801:Humans; D008297:Male; D010532:Peritoneal Diseases / Q000175:diagnosis; D014465:Ultrasonics; D014463:Ultrasonography