Case report: fourteen-year follow-up of an apudoma of the bile ducts at the hilum of the liver.

A patient presented with a sclerosing tumor at the bifurcation of the main hepatic ducts and was followed for 14 yr after the initial symptoms. Palliative surgery was performed in 1968, followed by a remission of 10 yr. A reintervention in 1979 showed an impressive fibrotic mass that could be extirpated. The patient is again in complete remission for almost 3 yr. A tumor biopsy specimen, obtained at the second intervention, showed an apudoma-type tumor. This was confirmed by a positive Grimelius stain and by immunohistochemical investigation.