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[Mirizzi syndrome and its variants].
G J Meyer1, D Runge, J Gebhardt
1Zentrum Konservative Medizin I der Universität Kiel.
Zeitschrift Fur Gastroenterologie
|April 1, 1990
Summary
Mirizzi syndrome, a rare condition involving gallstones, gallbladder inflammation, and bile duct obstruction, affects 0.43% of patients undergoing ERCP. Diagnosis relies on ERCP and sonography, with distinct types correlating to benign or malignant underlying diseases.
Area of Science:
- Gastroenterology
- Hepatobiliary Surgery
Background:
- Mirizzi syndrome presents a diagnostic challenge due to its complex biliary obstruction.
- It involves a triad of cholelithiasis, cholecystitis, and obstructive biliary disease.
Purpose of the Study:
- To classify and characterize patients diagnosed with Mirizzi syndrome.
- To investigate the diagnostic utility of ERCP and sonography in Mirizzi syndrome.
- To differentiate between benign and malignant etiologies based on clinical presentation and laboratory findings.
Main Methods:
- Retrospective analysis of 5434 patients undergoing ERCP between 1981 and 1987.
- Classification of Mirizzi syndrome into four types based on obstruction characteristics.
- Preoperative diagnosis using endoscopic retrograde cholangiopancreatography (ERCP) and sonography.
- Intraoperative verification through laparotomy and postoperative follow-up.
Main Results:
- 26 patients (0.43%) were diagnosed with Mirizzi syndrome.
- Patients were classified into classical (types I and II), borderline (type III), and variant types.
- Mild elevations in bilirubin and alkaline phosphatase suggested benign etiology for types I-III.
- Marked alkaline phosphatase elevation in variants indicated potential malignancy.
Conclusions:
- Mirizzi syndrome requires careful classification for appropriate management.
- ERCP and sonography are crucial for preoperative diagnosis.
- Biochemical markers aid in distinguishing benign from malignant causes of biliary obstruction in Mirizzi syndrome.