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Colectomy and desmoid tumours in familial adenomatous polyposis: a systematic review and meta-analysis.

ABSTRACT: Desmoid tumours (DT) are one of the main causes of death in patients with familial adenomatous polyposis (FAP). Surgical trauma is a risk factor for DT, yet a colectomy is inevitable in FAP to prevent colorectal cancer. This systematic review and meta-analysis aimed to synthesize the available evidence on DT risk related to type, approach and timing of colectomy. A search was performed in MEDLINE, EMBASE and the Cochrane Library. Studies were considered eligible when DT incidence was reported after different types, approaches and timing of colectomy. Twenty studies including 6452 FAP patients were selected, all observational. No significant difference in DT incidence was observed after IRA versus IPAA (OR 0.99, 95% CI 0.69-1.42) and after open versus laparoscopic colectomy (OR 0.88, 95% CI 0.42-1.86). Conflicting DT incidences were seen after early versus late colectomy and when analysing open versus laparoscopic colectomy according to colectomy type. Three studies reported a (non-significantly) higher DT incidence after laparoscopic IPAA compared to laparoscopic IRA, with OR varying between 1.77 and 4.09. A significantly higher DT incidence was observed in patients with a history of abdominal surgery (OR 3.40, 95% CI 1.64-7.03, p = 0.001). Current literature does not allow to state firmly whether type, approach, or timing of colectomy affects DT risk in FAP patients. Fewer DT were observed after laparoscopic IRA compared to laparoscopic IPAA, suggesting laparoscopic IRA as the preferred choice if appropriate considering rectal polyp burden. PROSPERO REGISTRATION NUMBER: CRD42020161424.

SUBMITTER: Aelvoet AS

PROVIDER: S-EPMC9636104 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Colectomy and desmoid tumours in familial adenomatous polyposis: a systematic review and meta-analysis.

Aelvoet Arthur S AS Struik Daphne D Bastiaansen Barbara A J BAJ Bemelman Willem A WA Hompes Roel R Bossuyt Patrick M M PMM Dekker Evelien E

Familial cancer 20220113 4

Desmoid tumours (DT) are one of the main causes of death in patients with familial adenomatous polyposis (FAP). Surgical trauma is a risk factor for DT, yet a colectomy is inevitable in FAP to prevent colorectal cancer. This systematic review and meta-analysis aimed to synthesize the available evidence on DT risk related to type, approach and timing of colectomy. A search was performed in MEDLINE, EMBASE and the Cochrane Library. Studies were considered eligible when DT incidence was reported af ...[more]

PMID: 35022961

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Project description:BackgroundDesmoid tumours represent a major complication of familial adenomatous polyposis. Our aims were to study the factors associated with the development of desmoid tumours in familial adenomatous polyposis patients, and to describe presentation and management of desmoid tumours.Methods and patientsWe reviewed all patients with familial adenomatous polyposis followed at our institution between 1965-2013, with either identified adenomatous polyposis coli gene mutation, or a personal and family history suggesting adenomatous polyposis coli-related polyposis. Response to treatment of desmoid tumours was assessed by Response Evaluation Criteria In Solid Tumor (RECIST) criteria.ResultsA total of 180 patients with familial adenomatous polyposis were included with a median follow-up of 19 years since diagnosis. Thirty-one (17%) patients developed 58 desmoid tumours, a median (range) 4.7 (0.8-41.6) years after their diagnosis of familial adenomatous polyposis. The only factor significantly associated with occurrence of desmoid tumours was the type of surgery: 12 (12%) desmoid tumours in 104 patients treated by colectomy, versus 19 (25%) desmoid tumours in 76 patients treated by proctocolectomy, p = 0.027. The localisation of desmoid tumours was: mesenteric (n = 25), abdominal wall (n = 30) or extra-abdominal (n = 3). Nineteen patients underwent 36 surgical procedures for desmoid tumours. Recurrence occurred in 26 (72%) cases and the recurrence-free survival was 2.6 (95% confidence interval (CI), 0.2-5.9) years. Thirteen patients received 27 medical treatments over a median 14 months. Objective response was observed in four (15%) patients and the median progression-free survival was nine (95% CI, 1.1-16.9) months.ConclusionIf confirmed, colectomy (versus proctocolectomy) should be performed in adenomatous polyposis coli-related familial adenomatous polyposis patients to avoid desmoid tumours. We show that there is a high prevalence of post-surgical recurrence and the low efficacy of available medical treatments for desmoid tumours.

Dataset Information

Colectomy and desmoid tumours in familial adenomatous polyposis: a systematic review and meta-analysis.

Publications

Colectomy and desmoid tumours in familial adenomatous polyposis: a systematic review and meta-analysis.

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