Surgical treatment of familial adenomatous polyposis: Dilemmas and current recommendations

Table 5 Incidence of adenomatous polyps at the anal transition zone or anastomotic site after handsewn or double-stapled anastomosis

Study	Handsewn anastomosis	Double-stapled anastomosis	Follow-up (yr)
Remzi et al[47]	21% in the pouch14.3% in the ATZ	11% in the pouch28% in the ATZ	5.8
Von Roon et al[48]	27%	54%	10
Friederich et al[49]	29%	64%	7
Van Duijvendijk et al[36]	10%	31%	7

ATZ: Anal transition zone.