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100 1 _ |a Koerber, Stefan Alexander
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245 _ _ |a Efficacy and toxicity of chemoradiation in patients with anal cancer--a retrospective analysis.
260 _ _ |a London
|c 2014
|b BioMed Central
336 7 _ |a article
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520 _ _ |a Concurrent chemotherapy and radiation therapy is the preferred standard of care for patients with anal cancer. Several studies have suggested a benefit of intensity-modulated radiation therapy (IMRT) compared with 3D-conformal radiation (3D-CRT) regarding acute toxicity. This study evaluates outcome and toxicity of patients undergoing IMRT/Tomotherapy or 3D-CRT at our institution.A cohort of 105 anal cancer patients was treated with chemoradiation or radiation alone (16.2%) between January 2000 and December 2011. 37 patients received 3D-CRT while 68 patients were treated with IMRT. Follow-up exams were performed every 3 to 6 months for a minimum of 3 years and then annually.Median follow-up was 41.4 months (2.8 - 158.4). Overall survival (OS), Progression-free survival (PFS) and local control (LC) at 3 years was 70.3%, 66.5%, 78.3% in the 3D-CRT group and 82.9%, 66.5%, 75.3% in the IMRT group without statistically significant difference. 3-year Colostomy-free survival (CFS) was 85.7% in the IMRT/Tomotherapy group and 91.8% in the 3D-CRT group (p = 0.48). No grade 4 toxicity was found in both groups. Severe (G2/3) acute skin toxicity (94.6% vs. 63.2%; p < 0.001) and acute gastrointestinal toxicity rate (67.6% vs. 47.1%; p = 0.03) was significantly higher with 3D-CRT compared to IMRT/Tomotherapy.The use of IMRT can reduce acute severe side effects of the skin and gastrointestinal tract but did not demonstrate improved results regarding OS, PFS, LC and CFS.
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700 1 _ |a Slynko, Alla
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700 1 _ |a Haefner, Matthias F
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700 1 _ |a Krug, David
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700 1 _ |a Schoneweg, Clara
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700 1 _ |a Kessel, Kerstin
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700 1 _ |a Kopp-Schneider, Annette
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700 1 _ |a Herfarth, Klaus
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700 1 _ |a Debus, Juergen
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700 1 _ |a Sterzing, Florian
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773 _ _ |a 10.1186/1748-717X-9-113
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