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Background: Antenatal hydronephrosis can be caused by various congenital anomalies of the excretory urinary system. Common causes are isolated ureteropelvic junction obstruction and ureterovesical junction obstruction with isolated mid-ureteral stenosis occurring much less frequently. To our knowledge, the co-existence of a triple ureteral obstruction has never been previously reported in the literature. Case presentation: We herein report the case of a 7-month-old girl who presented for follow up on antenatal hydronephrosis and was diagnosed with ureterovesical junction obstruction. After ureteroneocystostomy was done, failure to introduce the ureteral catheter into the ureter and subsequent dissection showed a second obstruction: a mid-ureteral valve, that was resected. Then, failure to re-introduce the catheter a second time with subsequent retrograde pyelography revealed a third obstruction: a ureteropelvic junction obstruction. Conclusion: The co-existence of multiple ureteral obstruction is a rare condition that poses diagnostic problems, and whose treatment remains challenging. Early diagnosis and treatment of these serious conditions is imperative because of their detrimental consequences on renal function. Thus, the occurrence of multiple ureteral obstruction should always be borne in mind and investigated intra-operatively by retrograde pyelography whenever suspected.

A 4-year-old boy with posterior urethral valves and end stage kidney disease on peritoneal dialysis presented with high pressure non-compliant bladder with left ureterohydronephrosis. Inability to perform hemodialysis due to patient's weight exclusion, imposed the necessity to preserve peritoneal dialysis. A bilateral nephrectomy by retroperitoneoscopy with extraperitoneal augmentation ureterocystoplasty using left ureter and pelvis associated with continent diversion using right ureter as umbilical stoma was performed followed by kidney transplantation. An excellent outcome with voluntary voiding without CIC is reported eighteen months later. This treatment modality is the best option to manage End Stage Kidney Disease on peritoneal dialysis in those patients.

A lacto-bezoar is an aggregation of mucus and undigested milk and can obstruct any part of the digestive tract. The diagnosis of this entity theoretically is very straight forward. However without a high index of suspicion missing it becomes inevitable. Any delay in the diagnosis can be morbid and even lethal at times.In the following report we presented two cases of neonatal gastric perforation induced by gastric lactobezoar, we highlighted the errors in diagnosis and then we summed up with a review of the literature. Keywords: Perforation, Gastric, Stomach, Premature, Lactobezoar, Pneumoperitoneum