Spontaneous enterourachocutaneous fistula in Crohn's disease: Sonographic diagnosis

A colourachocutaneous fistula

“…Urachal‐colonic and urachal‐enteric fistulae are unusual. (Table 1) [1–5]. In the patient of this study, a fistula developed between sigmoid diverticulosis and the urachal remnant, with re‐opening of the lumen of the urachus forming a colocutaneous (or colo‐urachal) fistula.…”

“…Inflammatory colorectal disease with a discharging urachal remnant has rarely been described [1–4]. Urachal‐colonic and urachal‐enteric fistulae are unusual.…”

Crohn’s disease manifesting as ileo-urachal fistula: Two cases reports and review of literatures

“…There are few reported cases of an enterourachal fistula diagnosed with a small bowel series, fistulography, and a barium enema study [ 1 , 5 ]. Many authors have reported that the initial diagnosis was confirmed during exploratory surgery [ 3 , [5] , [6] , [7] ]. Additionally, it has been mentioned that nutritional support or medical therapy is important in the treatment of an enterourachocutaneous fistula [ 7 ].…”

Urachus Fistula: A Rare First Presentation of Diverticulitis

“…These abnormalities may present as umbilical fecal discharge and mostly represent underlying inflammatory disease of the colon [5, 6, 7]. One report describes a uracho-enteric fistula without pathology of the digestive tract [8].…”