Table 4

Course of the patients

ERC, endoscopic retrograde cholangiography.
Surgical treatment with diagnosis of malignancy (n=31)
Cholangiocarcinoma (n=21)
    Polypoid lesion (n=7)
    Intraductal sessile tumour (n=12)
    Localised wall thickening (n=1)
    Sessile tumour outside of the bile duct (n=1)
Gall bladder cancer (n=3)
    Sessile tumour outside of the bile duct (n=3)
Pancreatic cancer (n=5)
    Sessile tumour outside of the bile duct (n=5)
Inflammatory polyp (n=1)
    Polypoid lesion (n=1)
Tumour forming pancreatitis (n=1)
    Sessile tumour outside of the bile duct (n=1)
Conservative treatment (stenting) with diagnosis of malignancy (n=15)
    Evidence of adenocarcinoma
        Transpapillary bile duct biopsy (n=7)
        Percutaneous bile duct biopsy (n=1)
        Gastric or duodenal biopsy (n=2)
        Pancreas aspiration biopsy (n=2)
        Bile juice cytology (n=1)
    Evidence of hepatocellular carcinoma
        Liver aspiration biopsy (n=2)
Follow up by IDUS and biopsy with diagnosis of benign disease (n=7)
    Decrease in tumour size on IDUS images (n=5)
    No change on IDUS images (n=2)
Follow up with diagnosis of benign disease, second ERC was rejected (n=9)
    No symptoms during the period (n=9)