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T4-Rektumkarzinom : Operative und multimodale Therapie [T4 rectal cancer. Surgery and multimodal therapy]

Item Type:Article
Title:T4-Rektumkarzinom : Operative und multimodale Therapie [T4 rectal cancer. Surgery and multimodal therapy]
Creators Name:Rau, B. and Hohenberger, P. and Gellermann, J. and Huenerbein, M. and Hildebrandt, B. and Schneider, U. and Riess, H. and Wust, P. and Schlag, P.M.
Abstract:Background: In locally advanced rectal cancer with infiltration of neighbouring organs (uT4) resectability and local control are difficult to achieve. Combined preoperative radiochemotherapy may result in increased resectability and reduced local recurrence rates. Patiens and methods: Thirty-four patients with biopsy-prove locally advanced rectal cancer were treated by preoperative radiochemotherapy. All tumours had been staged as uT4 lesions by endorectal ultrasound or computed tomography. Radiotherapy was applied in standart blocks, 5x1.8 Gy upt p 45 Gy. Chemotherapy consisted of two cycles of 5-fluorouracil (300-350 mg/m2/day) and leucovorin (50 mg). In 20 patients, additional thermotherapy was carried out using the Sigma 60 applicatior BSD 2000 once a week prior to radiotherapy. Surgery was performed 4-6 weeks after radiochemotherapy. Postoperatively, all patients received four cycles of 5-fluorouracil and leucovorin. Results: Treatment-induced toxicity occured in 26% of the patients (WHO grade III (n = 6) and IV (n = 3)). The resectability rate was 76% (26/34 patients) (R0 resectability n = 21; 62%). The pathological complete response was 6% (n = 2) and the partial response rate was 47% (n = 16). A local failure was observed in six patients after median time of 16 months (range 7-36 months). Patients with R0 resection achieved a 5-year disease-free survival rate of 55% and a survival rate of 71%. The overall 5-year survival rate for all patients with advanced T4 rectal cancer was 49%. Conclusion: Our data on preoperative combined treatment in locally advanced T4 rectal cancer revealed encouraging downstaging, local control, and survival rated.
Keywords:Rectal Cancer, Preoperative Radiochemotherapy, Downstaging
Source:Chirurg
ISSN:0009-4722
Publisher:Springer (Germany)
Volume:73
Number:2
Page Range:147-153
Date:February 2002
Official Publication:https://doi.org/10.1007/s00104-001-0373-5
PubMed:View item in PubMed

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