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Erschienen in: Diseases of the Colon & Rectum 9/2006

01.09.2006 | Original Contributions

Value of Intraoperative Radiotherapy in Locally Advanced Rectal Cancer

verfasst von: Floris T. J. Ferenschild, M.D., Maarten Vermaas, M.D., Joost J. M. E. Nuyttens, M.D., Wilfried J. Graveland, M.Sc., Andreas W. K. S. Marinelli, M.D., Ph.D., Joost R. van der Sijp, M.D., Ph.D., Theo Wiggers, M.D., Ph.D., Cornelis Verhoef, M.D., Alexander M. M. Eggermont, M.D., Ph.D., Johannes H. W. de Wilt, M.D., Ph.D.

Erschienen in: Diseases of the Colon & Rectum | Ausgabe 9/2006

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Purpose

This study was designed to analyze the results of a multimodality treatment using preoperative radiotherapy, followed by surgery and intraoperative radiotherapy in patients with primary locally advanced rectal cancer.

Methods

Between 1987 and 2002, 123 patients with initial unresectable and locally advanced rectal cancer were identified in our prospective database, containing patient characteristics, radiotherapy plans, operation notes, histopathologic reports, and follow-up details. An evaluation of prognostic factors for local recurrence, distant metastases, and overall survival was performed.

Results

All patients were treated preoperatively with a median dose of 50 Gy radiotherapy. Surgery was performed six to ten weeks after radiotherapy. Twenty-seven patients were treated with intraoperative radiotherapy because margins were incomplete or ≤2 mm. Postoperative mortality was 2 percent. The median follow-up of all patients was 25.1 months. The overall five-year local control was 65 percent and the overall five-year survival was 50 percent. Positive lymph nodes and incomplete resections negatively influenced local control and overall survival. Intraoperative radiotherapy improved five-year local control (58 vs. 0 percent, P = 0.016) and overall survival (38 vs. 0 percent, P = 0.026) for patients with R1/2 resections.

Conclusions

The presented multimodality treatment is feasible with an acceptable mortality and a five-year overall survival of 50 percent. Addition of intraoperative radiotherapy for patients with a narrow or microscopic incomplete resection seems to overrule the unfavorable prognostic histologic finding.
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Metadaten
Titel
Value of Intraoperative Radiotherapy in Locally Advanced Rectal Cancer
verfasst von
Floris T. J. Ferenschild, M.D.
Maarten Vermaas, M.D.
Joost J. M. E. Nuyttens, M.D.
Wilfried J. Graveland, M.Sc.
Andreas W. K. S. Marinelli, M.D., Ph.D.
Joost R. van der Sijp, M.D., Ph.D.
Theo Wiggers, M.D., Ph.D.
Cornelis Verhoef, M.D.
Alexander M. M. Eggermont, M.D., Ph.D.
Johannes H. W. de Wilt, M.D., Ph.D.
Publikationsdatum
01.09.2006
Erschienen in
Diseases of the Colon & Rectum / Ausgabe 9/2006
Print ISSN: 0012-3706
Elektronische ISSN: 1530-0358
DOI
https://doi.org/10.1007/s10350-006-0651-x

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