The Korean Journal of Gastroenterology :eISSN 2233-6869 / pISSN 1598-9992


Table. 1.

Etiologies of Benign Pathology in Presumed Malignant Biliary Stricture Based on Surgical Resection Series

Study Country Setting Incidence and major etiologies of benign pathology
Clayton et al.7 (2003) U.K. Hepatic resection for suspected malignancy 18/250 (7.2%), inflammatory pseudotumor, sclerosing cholangitis, reactive inflammatory change
Corvera et al.16 (2005) U.S.A. Surgery for presumed hilar cholangiocarcinoma 22/275 (8.0%), LPSPC (2), PSC (3), nonspecific fibroinflammatory change (8), granulomatous process (3), stone disease (6)
Wakai et al.17 (2012) Japan Surgery for preoperative diagnosis of biliary malignancy 5/153 (3.3%), non-specific fibrosis/inflammation (3), IgG4-SC (2)
Roos et al.18 (2018) Netherlands Surgery for presumed perihilar cholangiocarcinoma 50/323 (15.5%), IgG4-SC (21), unclassified sclerosing inflammation (24), cystadenoma (1), sclerosed hemangioma (1)

LPSPC, lymphoplasmacytic sclerosing pancreatitis and cholangitis, consistent with IgG4-SC; PSC, primary sclerosing cholangitis; IgG4-SC, immunoglobulin G4-related sclerosing cholangitis.

Korean J Gastroenterol 2022;80:38~42
© Korean J Gastroenterol