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  • Title: [Conformal therapy of locally advanced cholangiocarcinoma of the main bile ducts].
    Author: Bouras N, Caudry M, Saric J, Bonnel C, Rullier E, Trouette R, Demeaux H, Maire JP.
    Journal: Cancer Radiother; 2002 Feb; 6(1):22-9. PubMed ID: 11899677.
    Abstract:
    PURPOSE: Retrospective study of 23 patients treated with conformal radiotherapy for a locally advanced bile duct carcinoma. PATIENTS AND METHODS: Eight cases were irradiated after a radical resection (R0), because they were N+; seven after microscopically incomplete resection (R1); seven were not resected (R2). A dose of 45 of 50 Gy was delivered, followed by a boost up to 60 Gy in R1 and R2 groups. Concomitant chemotherapy was given in 15 cases. RESULTS: Late toxicity included a stenosis of the duodenum, and one of the biliary anastomosis. Two patients died from cholangitis, the mechanism of which remains unclear. Five patients are in complete remission, six had a local relapse, four developed a peritoneal carcinosis, and six distant metastases. Actuarial survival rate is 75%, 28% and 7% at 1, 3 and 5 years, respectively (median: 16.5 months). Seven patients are still alive with a 4 to 70 months follow-up. Survival is similar in the 3 small subgroups. The poor local control among R0N+ cases might be related to the absence of a boost to the "tumor bed". In R1 patients, relapses were mainly distant metastases, whereas local and peritoneal recurrences predominated in R2. CONCLUSION: Conformal radiochemotherapy delivering 60 Gy represents a valuable palliative approach in locally advanced biliary carcinoma.
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