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Contact X-ray Therapy for Rectal Cancer: Experience in Centre Antoine-Lacassagne, Nice, 2002–2006

International Journal of Radiation Oncology*Biology*Physics
Publication Date
DOI: 10.1016/j.ijrobp.2008.01.030
  • Rectum
  • Medicine


Purpose To report the results of using contact X-ray (CXR), which has been used in the Centre-Lacassagne since 2002 for rectal cancer. Methods and Materials A total of 44 patients were treated between 2002 and 2006 using four distinct clinical approaches. Patients with Stage T1N0 tumors were treated with transanal local excision (TLE) and adjuvant CXR (45 Gy in three fractions) ( n = 7). The 11 inoperable (or who had refused surgery) patients with Stage T2-T3 disease were treated with CXR plus external beam radiotherapy (EBRT). Those with Stage T3N0-N2 tumors were treated with preoperative CXR plus EBRT (with or without concurrent chemotherapy) followed by surgery ( n = 21). Finally, the patients with Stage T2 disease were treated with CXR plus EBRT followed by TLE ( n = 5). Results The median follow-up was 25 months. In the 7 patients who underwent TLE first, no local failure was observed, and their anorectal function was good. Of the 11 inoperable patients who underwent CXR plus EBRT alone, 10 achieved local control. In the third group (preoperative CXR plus EBRT), anterior resection was performed in 16 of 21 patients. Complete sterilization of the operative specimen was seen in 4 cases (19%). No local recurrence occurred. Finally, of the 5 patients treated with CXR plus EBRT followed by TLE, a complete or near complete clinical response was observed in all. TLE with a R0 resection margin was performed in all cases. The rectum was preserved with good function in all 5 patients. Conclusion These early results have confirmed that CXR combined with surgery (or alone with EBRT) can play a major role in the conservative and curative treatment of rectal cancer.

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