Mise en évidence et traitement chirurgical d’un trajet fistuleux sous-cutané d’origine biliaire

Patent hepatic ciliated foregut remnant resulting in an umbilicobiliary sinus tract, with gallbladder agenesis, in an 8-wk-old male French Bulldog

“…Biliary fistulas in older dogs, or fistulas discharging to other cutaneous locations, have been reported, and were speculated to have potentially congenital or acquired etiologies. 10,12,14 Human cases of hepatic foregut cysts are generally asymptomatic and are often found incidentally on imaging or during surgery, and are often managed conservatively. 11 There are rare reports of malignant transformation of the tract epithelium into squamous cell carcinoma of the liver 21 ; therefore, surgical resection in people has been suggested as the preferred management strategy.…”

“…Biliary fistulas in older dogs, or fistulas discharging to other cutaneous locations, have been reported, and were speculated to have potentially congenital or acquired etiologies. 10,12,14…”