Hydronephrosis is a complication that usually results from obstruction of the ureteral flow, promoting dilation of the upstream collecting system. In this case, there was previous obstruction due to a stone impacted on the ureter. Examination performed to monitor the urological clinical picture.

Contributed by Dr. Hemilianna Hadassa Silva Matozinho M.D. and Dr. Marcello Antônio de Rezende Basilio M.D.