1. Congenital obstruction of the pelviureteric junction with spontaneous peripelvic extravasation of urine;Niazi;Br J Urol,1984
2. Rupture of a hydronephrotic pelvic kidney;Rao;Br J Urol,1979
3. Traumatic rupture of the ureter at the pelviureteric junction in a congenital hydronephrotic kidney;Roe;Med J Mal,1969
4. Spontaneous peripelvic extravasation;Tan;Urology,1978
5. Spontaneous extravasation of urine from the kidney in children;Kiely;Br J Urol,1982