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  • Title: [Importance of liver puncture biopsy and endoscopic retrograde cholangiography in patients with chronic anicteric unexplained cholestasis. A retrospective study in 79 patients].
    Author: Sapey T, Turlin B, Canva-Delcambre V, Mendler MH, Deugnier Y, Brissot P, Guyader D.
    Journal: Gastroenterol Clin Biol; 1999 Feb; 23(2):178-85. PubMed ID: 10353011.
    Abstract:
    AIM: To determine the diagnostic value of systematic liver needle biopsy and endoscopic retrograde cholangiography in patients with unexplained chronic anicteric cholestasis. METHODS: Seventy nine patients presented with anicteric cholestasis for over 6 months as defined by: a concomitant increase in at least 2 of 3 cholestatic enzymes (GGT, alkaline phosphatase, 5'nucleotidase); a low cytolytic ratio (ALT/AP (xN/xN) < or = 5); and negative test results (normal ultrasound scan; no antimitochondrial antibodies, viral, drug-induced, or toxic hepatitis, or known ulcerative cholitis). Based on liver biopsy and endoscopic retrograde cholangiography, 5 groups were determined; group A: normal liver biopsy and endoscopic retrograde cholangiography; group B: primary sclerosing cholangitis with histological biliary lesions; group C: primary sclerosing cholangitis with normal histology; group D: histologic biliary lesions alone; group E: other (aspecific histologic lesions, isolated anomalies of intrahepatic bile ducts on endoscopic retrograde cholangiography). RESULTS: Diagnosis of cholestasis was fortuitous in 43% of cases. Group A: 5 patients had normal liver biopsy and endoscopic retrograde cholangiography; group B (10 patients): 5 with destructive cholangitis, 5 with degenerative cholangitis, associated with portal fibrosis in 90%; group C: none of the patients had primary sclerosing cholangitis with normal histology; group D: 39 patients {idiopathic ductopenia (1), Caroli's disease (1), benign recurrent cholestasis (1), regenerative nodular hyperplasia (4), destructive cholangitis without ductopenia (7), degenerative cholangitis (15), ductular proliferation (10)}; group E: 24 patients with aspecific histologic lesions, and one patient with isolated anomalies of the intrahepatic bile ducts on endoscopic retrograde cholangiography. CONCLUSIONS: In the present population: a) 13% presented with intense cholangitis and primary sclerosing cholangitis on endoscopic retrograde cholangiography; b) 49% presented with various histologic biliary lesions without primary sclerosing cholangitis. We conclude that in chronic anicteric cholestasis of unexplained origin, first choice work-up should include liver biopsy, and endoscopic retrograde cholangiography should only be performed when intense histologic cholangitis is observed.
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