[Diagnosis and treatment of internal biliary fistulas]

In the paper the diagnostic and therapeutic policy employed in 11 patients with internal biliary fistulas, most frequently caused by cholelithiasis, is analysed. Some aspects of the preoperative diagnosis are eluciadated, and it is concluded that patients with internal biliary fistulas are to be treated surgically: cholecystectomy, suturing of defects in the gastric and intestinal wall, the drainage of bile tracts.