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Ann Surg Oncol. 2012 Dec;19(13):4186-92. doi: 10.1245/s10434-012-2485-1. Epub 2012 Jul 24.

Abdominoperineal resection for squamous cell anal carcinoma: survival and risk factors for recurrence.

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1
Department of Digestive Surgery, Hôpital Saint-Antoine, AP-HP, Université Pierre et Marie Curie, Paris, France. jeremie.lefevre@sat.aphp.fr

Abstract

BACKGROUND:

Despite the results of combined chemoradiation therapy for anal canal squamous cell carcinoma (SCC), up to 30 % of patients will undergo abdominoperineal resection (APR). The aim of this study was to evaluate oncologic outcomes, survival, and recurrence, following APR for anal canal SCC performed in a single center over a 13-year period.

METHODS:

All patients who underwent APR for anal canal SCC between 1996 and 2009 were retrospectively included. Demographic data, details on treatments, pathological report, and follow-up were noted. Survival curves were plotted using the Kaplan-Meier method and potential prognostic factors were evaluated using Cox proportional hazards models.

RESULTS:

A total of 105 patients (77 women) were included. Indications for APR included tumor persistence (n = 42; 40 %), recurrence (n = 55; 52.4 %), or a contraindication to radiotherapy (n = 8; 7.6 %). Median follow-up was 33.3 months (range, 1.5-174.3 months). Overall survival and disease-free survival were, respectively, 61 and 48 % at 5 years. In multivariate analysis, tumor stage (T3 or T4), positive margin on pathologic examination and existence of distant metastases at the time of the surgery were associated with a poor prognosis. The indication for APR (persistent vs recurrent disease), gender, concurrent HIV infection, or performance of a VRAM flap did not influence OS or DFS. Overall recurrence rate was 42.6 % (n = 43 of 101). The type of recurrence did not exert a significant effect on survival (p = .4571).

CONCLUSION:

This study describes the largest single series of APR for anal carcinoma. Major prognostic factors for survival and recurrence were T status and involved margin. The 5-year overall survival was 60 %.

PMID:
22825769
DOI:
10.1245/s10434-012-2485-1
[Indexed for MEDLINE]
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