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following a roadside bomb blast. A traumatic pneumothorax necessitated the insertion of a chest drain, and a laparotomy revealed multiple liver lacerations and ureteric contusion. While the patient was awaiting further ureteric surgery after a percutaneous nephrostomy, the chest drain was removed. One week later, limegreen serosanguinous fluid began to leak from the drain site, while the patient began to cough up bitter yellow sputum. Biochemical analysis of these fluids confirmed the presence of bilirubin, suggesting the possibility of thoracobiliary fistulas involving the airways and pleural cavity. Ultrasound and computed tomography (CT) scans delineated a single biliocutaneous fistula, which was surgically excised. However, because the bilioptysis and bile leakage persisted, a fistulogram (●" Fig. 1) and contrast CT scan (●" Fig. 2) were undertaken; these revealed multiple biliocutaneous and biliobronchial fistulas. Due to the patient’s ongoing recovery from complex major surgery, a conservative approach involving endoscopic retrograde cholangiopancreatography (ERCP) with sphincterotomy and stenting was adopted. The ERCP findings were normal (i. e. revealing no contrast leakage), but the procedure resulted in the complete cessation of bilioptysis and of cutaneous bile leakage (i. e. from 500ml/day to nil) over 1 week. The patient thereafter remained fully asymptomatic from the thoracobiliary trauma. Biliopleural and biliobronchial fistulas are hitherto unreported complications of blast injuries [1]. Regardless of etiology, the rare biliopleural and biliobronchial fistulas are diagnosed on finding bile in the pleural cavity, by thoracocentesis, or in a sputum sample [2,3]. Nonoperative fistula resolution may be attempted by distally decompressing the biliary system either surgically or endoscopically; the latter offers both diagnostic and therapeutic potential with a single minimally traumatic procedure [4,5]. We recommend that even without evidence of biliary hypertension (i.e. if imaging excludes bile duct dilatation), ERCP with sphincterotomy and stenting is considered in patients like ours who have complex refractory pathology or are unfit for surgery. The relatively minor procedure may significantly reduce retrograde bile flow, resulting in major symptomatic improvement, before riskier alternatives (e.g. laparotomy or thoracotomy) are considered.

ERCP for the treatment of traumatic biliobronchial and biliocutaneous fistulas