30-day and long-term outcome following salvage surgery for squamous cell carcinoma of the anus

Publication date: Available online 23 June 2018
Source:European Journal of Surgical Oncology
Author(s): T.B. Pedersen, P. Gocht-Jensen, M.F. Klein
IntroductionSquamous cell carcinoma of the anus (SCCA) is a rare condition. First line treatment is combined chemo-radio therapy. As many as a third of patients undergoing CRT will experience recurrence. These patients often undergo salvage surgery with an extended abdominoperineal excision. The aims of this study were 1) to assess and evaluate 30-day postoperative morbidity and mortality after salvage surgery for recurrent SCCA, and furthermore, 2) to examine secondary recurrence and long-term mortality after salvage surgery for recurrent SCCA.Material and MethodsRetrospective evaluation of all patients undergoing salvage surgery for SCCA at Copenhagen University Hospital Herlev between 1st of January 2011 and 31th December 2016.ResultsForty-seven patients were identified. 30-day postoperative mortality was 4%. The most common postoperative complication was perineal wound defects. Within the follow-up period of median 20(1-80) months, secondary recurrence occurred in 30% of patients. Median disease free survival was 32 months. Secondary recurrence was significantly more frequent in patients with R1 resection and pN≥1. Within the follow-up period of median 25(0-80) months, mortality was 40%. Overall median survival was 39 months. Secondary recurrence was associated with a significantly higher risk of death within the follow-up period.ConclusionSalvage surgery for relapse of squamous cell carcinoma of the anus is a safe procedure with a good short-term outcome. Secondary recurrence was more frequent in patients with R1-resection and pN≥1. More than one third of the patients died within the follow-up period, and mortality was significantly higher in the group of patients with secondary recurrence.



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