Table 4.

Course of the patients

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)

ERC, endoscopic retrograde cholangiography.