[Calcification of the urinary bladder, a rare finding in the newborn (author's transl)].

The rare X-ray finding of urinary bladder wall calcifications in a newborn is reported. The newborn suffered from micturition disturbance caused by urethral valves, bilateral hydroureter and bilateral hydronephrosis. No possible definite cause for the calcification of the bladder wall could be found. The calcifications could never be detected by X-ray after the age of 5 months.