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Salvage Treatment for Locally Recurrent Rectal Cancer  

Noh Jae-Myoung (Departments of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Ahn Yong-Chan (Departments of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Yoon Sang-Min (Departments of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Huh Seung-Jae (Departments of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Lim Do-Hoon (Departments of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Chun Ho-Kyung (Departments of Surgery and Samsung Medical Center, Sungkyunkwan University School of Medicine)
Lee Woo-Yong (Departments of Surgery and Samsung Medical Center, Sungkyunkwan University School of Medicine)
Yun Seong-Hyeon (Departments of Surgery and Samsung Medical Center, Sungkyunkwan University School of Medicine)
Kang Won-Ki (Departments of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Park Young-Suk (Departments of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Park Joon-Oh (Departments of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Park Won (Departments of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
Publication Information
Radiation Oncology Journal / v.24, no.2, 2006 , pp. 103-109 More about this Journal
Abstract
Purpose: To evaluate the treatment outcome according to the salvage treatment modalities and identify the prognostic factors influencing the survival. Materials and Methods: Forty-five patients with locally recurrent rectal cancer treated between 1994 to 2003 were reviewed retrospectively. Median time from initial surgery to loal recurrence was 16months. Of the patients, 25 (56%) recurred at presacral and perirectal space. Among the 18 (40%) patients who received salvage surgery, 14 patients were treated with postoperative chemoradiotherapy. Among 27 (60%) patients who didn't receive salvage surgery, 16 were treated with chemoradiotherapy and 11 were treated with radiotherapy alone. Radiotherapy was given with total dose ranging from 37.5 to 64.8 Gy. Results: Five-year locoregional progression-free survival rate and overall survival rate of all patents were 49.5% and 34.3%, respectively. The 5-year locoregional progression-free survival rate and overall survival rate of patients undergoing salvage surgery were 77.0% and 52.1% compared with 36.0% and 37.9% f3r patients treated with chemoradiotherapy and 0% and 0% for patients treated with radiotherapy alone, respectively. The 5-year locoregional progression free survival and overall survival of patients who recurred earlier than 24 months were higher (67.5% and 59.1%) than the other patients (39.5% and 24.9%). Among the 27 patients who didn't receive salvage surgery, there was no significant difference for locoregional progression free survival and overall survival between re-irradiated patients and radiation-naive patients. Conclusion: Surgical resection is preferred to treatment for locally recurrent rectal cancer. If salvage surgery is not possible, chemoradiotherapy may achieve higher locoregional progression free survival and overall survival than radiotherapy alone.
Keywords
Rectal cancer; Local recurrence; Salvage treatment; Radiotherapy;
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