Radiation therapy in the treatment of cholangiocarcinoma.
The prognosis of patients with biliary cancers is poor. Although surgery is potentially curative in selected patients, local recurrence is a common pattern of failure. Adjuvant or neoadjuvant radiation therapy improves local control and possibly survival. In locally advanced patients, radiation therapy provides palliation and may prolong survival. Concurrently administered chemotherapy may further enhance these results. Newer radiation therapy techniques, including intraluminal transcatheter brachytherapy, intraoperative radiation therapy, intensity-modulated radiation therapy, and three- and four-dimensional treatment planning, permit radiation dose escalation without significant increases in normal tissue toxicity, thereby increasing the effective radiation dose. Preliminary results of studies employing hepatic transplantation with radiation therapy are encouraging. Although these new approaches hold promise, the prognosis in patients with biliary cancers remains poor, and the integration of novel therapeutic strategies is indicated.
Czito, BG; Anscher, MS; Willett, CG
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