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[Laboratory studies and special tests for assessing gallbladder and bile duct function]
N Méndez-Sánchez1, F Bosques Padilla, M Uribe Esquivel
1Harvard Medical School, Division of Gastroenterology, Brigham and Women's Hospital, Boston, MA 02115, USA.
Revista De Gastroenterologia De Mexico
|April 1, 1993
Summary
This review details cholesterol gallstone formation, including biliary sludge and its complications like cholecystitis and pancreatitis. It also covers gallbladder motility disorders and diagnostic methods for sphincter of Oddi dysfunction.
Area of Science:
- Gastroenterology
- Hepatology
- Pathophysiology
Background:
- Cholesterol gallstones form through a five-step process: metabolic, chemical, nucleation, growth/maturation, and clinical stages.
- Biliary sludge, a precipitate of cholesterol crystals and other substances, is linked to cholecystitis and pancreatitis.
- Gallbladder motor abnormalities are implicated in gallstone lithogenesis.
Purpose of the Study:
- To review the pathogenesis of cholesterol gallstones.
- To describe gallbladder motor abnormalities during lithogenesis.
- To discuss diagnostic approaches for pancreatobiliary dyskinesia and postcholecystectomy syndrome.
Main Methods:
- Literature review of gallstone pathogenesis.
- Description of diagnostic tools including scintigraphy and ultrasound.
- Discussion of manometric evaluation for sphincter of Oddi dysfunction.
Main Results:
- Biliary sludge formation is a key event in gallstone nucleation.
- Gallbladder dyskinesia and sphincter of Oddi dysfunction are associated with gallstone disease and postcholecystectomy syndrome.
- Manometric evaluation is the gold standard for diagnosing sphincter of Oddi dysfunction.
Conclusions:
- Understanding gallstone pathogenesis is crucial for managing associated conditions.
- Accurate diagnosis of motility disorders is essential for effective treatment.
- Sphincter of Oddi manometry plays a vital role in diagnosing related pancreatobiliary issues.