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[Is spontaneous, internal bilio-digestive fistula a surgical indication?]
1Chirurgische Klinik, Evangelischen Krankenhauses Oberhausen.
Summary
Spontaneous enterobiliary fistulas are difficult to diagnose preoperatively, often requiring advanced imaging. Surgical repair is essential due to associated biliary diseases and gallbladder cancer, despite high surgical risks.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Diagnostic Imaging
Background:
- Spontaneous enterobiliary fistulas are rare but serious complications.
- Preoperative diagnosis remains challenging, with only 50% identified before surgery.
Observation:
- Plain abdominal radiography showing biliary gas is presumptive evidence.
- Barium studies and endoscopic retrograde cholangiography (ERC) can delineate the fistula.
- Associated conditions include calculous biliary disease, gallbladder carcinoma, and ascending cholangitis in over 70% of cases.
Findings:
- Surgical repair of enterobiliary fistulas is complex and carries a significant mortality rate (4-22%).
- Gallbladder carcinoma was found in 5 of 33 surgically treated patients, with 3 cases diagnosed post-histopathology.
Implications:
- Early and accurate diagnosis of enterobiliary fistulas is crucial for timely surgical intervention.
- Surgical management requires careful consideration of associated pathologies, particularly gallbladder cancer.
- Further research into improved diagnostic modalities and surgical techniques is warranted to reduce morbidity and mortality.