Successful photodynamic therapy for biliary papillomatosis: A case report

Figure 1 HE staining for samples collected at the right-sided hemihepatectomy and hepatico-jejunostomy of the left hepatic duct (× 40) showing a villous adenoma with mild inflammation of the adjacent proximal parts of the bile duct and the surrounding liver tissue but no invasive growth.

Figure 2 Recurrent papillomatosis before the third course of photodynamic therapy without signs of a functional stenosis of the bile duct (A) and one month after the second course of PDT (B).

Figure 3 Cholangioscopy showing only minor adenomatosis 3 mo after the third course of PDT.