A biloma is a collection of bile located outside the bile duct which occurs as a result of iatrogenic and traumatic injuries. Spontaneous biloma is rare and is associated with choledocholithiasis. Diagnosis is performed using an ultrasound, a computed tomography scan, and a nuclear magnetic resonance scan, and is confirmed by drainage and subsequent biochemical analysis of the fluid sample. The first treatment option is percutaneous drainage, and if not successful, endoscopic biliary drainage should be performed. We report a case of a 46-year-old patient with a spontaneous biloma associated with choledocholithiasis.

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