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  • Title: [Percutaneous transhepatic cholangioscopy (PTCS)--an important supplement in diagnosis and therapy of biliary tract diseases (indications, technique and results)].
    Author: Maier M, Kohler B, Benz C, Körber H, Riemann JF.
    Journal: Z Gastroenterol; 1995 Aug; 33(8):435-9. PubMed ID: 7483735.
    Abstract:
    In 39 patients with biliary disease inappropriate for a transpapillary access (21 m, 18 f, mean age 62 y.) 61 percutaneous transhepatic cholangioscopies (PTCS) were performed. In 28 cases (71.8%) diagnostic PTCS was done in order to investigate the etiology of a biliary stenosis. Nine of these patients had histological as well as clinical outcome indicating a benign lesion. Histology was positive for malignancy in 14 (82%) out of 17 patients with clinically assumed malignant stenosis. The etiology of the stenosis remained obscure from a clinical point of view in two cases with negative histology for malignancy. In twelve patients (30.7%) we performed PTCS for endoscopically controlled laser or electrohydraulic lithotripsy of bile duct stones. The procedure was successful in all patients and stone fragments were delivered to the duodenum by saline lavage. Seven of these patients had stones combined with a benign stenosis and were additionally treated by long-term drainage (Yamakawa drain) for three to twelve months. Two of the seven patients had no relaps of the biliary stricture after a follow-up of ten and twelve months respectively. In five cases (12.8%) PTCS controlled insertion of a guide-wire was attempted after failure of the radiologically guided internalization of the percutaneous drainage. The procedure was successful in three of these patients.
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