PURPOSE: To evaluate the long-term results of the treatment of anal canal carcinoma (ACC) with a combined concomitant radiochemotherapy (CCRT) treatment using fluorouracil (5 FU) and cisplatinum (CDDP) with a high dose of radiation therapy. PATIENTS AND METHODS: Between 1982 and 1993 a series of 95 patients were treated. Staging showed a majority of advanced squamous ACC, i.e. 6 T1, 47 T2, 28 T3, 14 T4, 53 NO, 32 N1, 6 N2 and 4 N3. Irradiation was done with high dose external beam radiation therapy (EBRT) followed by a boost with 192 Iridium implant. During EBRT all patients received one course of 5 FU continuous infusion (1 g/m2/day, days 1-4) and CDDP (25 mg/m2/day, bolus days 1-4). RESULTS: The median follow-up time was 64 months. At 5 and 8 years the overall survival was 84 and 77%, the cancer specific survival was 90 and 86% and the colostomy-free survival was 71 and 67%, respectively. The stage and the response of the tumor after EBRT were of prognostic significance. Patients with pararectal lymph nodes had an overall 5-year survival of 76% (versus 88% for non-N1). Among 78 patients who preserved their anus, the anal sphincter function was excellent or good in 72 (92%). CONCLUSION: According to these results and recent randomized trials, CCRT appears as the standard treatment of ACC. Radical surgery should be reserved for local recurrence or persisting disease after irradiation. High dose irradiation in a small volume with concomitant 5 FU-CDDP appears to give a high rate of long-term local control and survival. Careful evaluation of pararectal nodes is essential for a good staging of the disease.
PURPOSE: To evaluate the long-term results of the treatment of anal canal carcinoma (ACC) with a combined concomitant radiochemotherapy (CCRT) treatment using fluorouracil (5 FU) and cisplatinum (CDDP) with a high dose of radiation therapy. PATIENTS AND METHODS: Between 1982 and 1993 a series of 95 patients were treated. Staging showed a majority of advanced squamous ACC, i.e. 6 T1, 47 T2, 28 T3, 14 T4, 53 NO, 32 N1, 6 N2 and 4 N3. Irradiation was done with high dose external beam radiation therapy (EBRT) followed by a boost with 192 Iridium implant. During EBRT all patients received one course of 5 FU continuous infusion (1 g/m2/day, days 1-4) and CDDP (25 mg/m2/day, bolus days 1-4). RESULTS: The median follow-up time was 64 months. At 5 and 8 years the overall survival was 84 and 77%, the cancer specific survival was 90 and 86% and the colostomy-free survival was 71 and 67%, respectively. The stage and the response of the tumor after EBRT were of prognostic significance. Patients with pararectal lymph nodes had an overall 5-year survival of 76% (versus 88% for non-N1). Among 78 patients who preserved their anus, the anal sphincter function was excellent or good in 72 (92%). CONCLUSION: According to these results and recent randomized trials, CCRT appears as the standard treatment of ACC. Radical surgery should be reserved for local recurrence or persisting disease after irradiation. High dose irradiation in a small volume with concomitant 5 FU-CDDP appears to give a high rate of long-term local control and survival. Careful evaluation of pararectal nodes is essential for a good staging of the disease.
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Authors: Sara Di Santo; Marianna Trignani; Matteo Neri; Angelo Milano; Paolo Innocenti; Maria Taraborrelli; Antonietta Augurio; Annamaria Vinciguerra; Monica Di Tommaso; Lucia Anna Ursini; Angelo Di Pilla; Marta Di Nicola; Domenico Genovesi Journal: Rep Pract Oncol Radiother Date: 2014-11-22