Isolated left hydronephrosis complicating ileocaecal granulomatous disease

Urological complications of regional enteritis

“…Isolated left hydronephrosis is occasionally encountered in patients with Crohn's disease of the colon [10]. Unilateral left hydroureter and hydronephrosis was also reported in a patient with isolated ileocecal involvement [9].…”

Hydronephrosis and Ureteral Obstruction in Crohn’s Disease

“…Present reported only 1 of 10 patients experiencing irritative voiding symptoms, while other authors report a complete absence of urinary complaints in their respective series [8.13]. Common physical findings reported by many include flank pain, hip pain, or anterior thigh pain resulting in difficulty walking [7][8][12][13]. Abdominal, vaginal, or rectal examination may reveal the presence of a mass in the right or left lower abdominal quadrants [8].…”

“…Left-sided hydronephrosis occurs with sigmoid colon or jejunal involvement and as such, the ureter may be obstructed more proximally with jejunal disease. One case report describes left ureteral obstruction arising due to a right lower quadrant mass; the mass was associated with a fistulous tract extending through the root of the mesentery to the left retroperitoneal space [13].…”

“…Intravenous pyelography will show hydronephrosis with tapering of the affected ureter, usually at the level of the pelvic brim. Medial deviation of the ureter is sometimes seen as well [13].…”