Case Reports in Gastrointestinal Medicine / 2013 / Article / Tab 1 / Case Report
Anal Canal Duplication in an 11-Year-Old-Child Table 1 Summary of all reported anal canal duplication cases in English literature.
Reference No. Sex Localization Type Symptoms Age Associated anomalies Our patient 1 1 F Post 1 tub 1 mild 11 y None Sinnya (2012) [7 ] 1 1 F Post 1 tub 1 complication 15 y Dysplastic coccyx Lippert (2012) [8 ] 1 1 F Post 1 cyst 1 complication 12 y None Narci (2010) [9 ] 2 2 F Post 2 tub 2 asympt 5 y (1–9 y) None Koga (2010) [10 ] 10 10 F Post 10 tub 3 asympt 6 mild 1 complication 6 m (24 d–4 y) 1 hypoplastic kidney 1 teratoma and thetered cord 2 anal stenosis Carpentier (2009) [2 ] 2 1 F 1 M Post 1 tub 1 cyst 1 mild 1 complication 2.5 m (2-3 m) 1 spina bifida occulta, thetered cord, hydronefrosis 1 none Kratz (2008) [11 ] 1 1 F Post 1 cyst 1 complication 16 y None Lisi (2006) [3 ] 12 11 F 1 M Post 10 tub 1 cyst 6 asympt 4 mild 2 complication 17.8 m (0–60 m) 1 anorectal malformation 1 cleft lip, cleft palate, omphalocoele 1 presacral ependymoma 2 teratoma’s Tiryaki (2006) [12 ] 2 2 F Post 2 tub 1 asympt 1 mild 7 y (7–7 y) 1 none 1 intrasacral meningocele Choi (2003) [4 ] 6 6 F Post 6 tub 6 asympt 4.5 m (3–9 m) 6 none Ochiai (2002) [1 ] 1 1 F Post 1 combined 1 mild 6 y None Jacquier (2001) [13 ] 6 6 F Post 6 tub 5 asympt 1 mild 2.5 m (0 m–12 y) 1 sacral teratoma, lumbosacral meningomyelocoele 1 sacral teratoma 1 uteric duplication 1 malrotation Ponson (2001) [14 ] 3 3 F Post 3 tub 1 asympt 2 mild 23 m (10 m–4 y) 3 none Hamada (1996) [5 ] 2 2 F Post 2 tub 1 asympt 1 mild 3.5 y (7 m–6 y) 1 cleft lip 1 none Tagart (1977) [15 ] 4 1 F 3 M 3 right side 1 post 3 tub 1 cyst 4 complication 29 y (11 m–45 y) None Aaronson (1970) [16 ] 1 1 F Post 1 tub 1 asympt 3 m 1 anterior sacral meningocoele, covered anus Total group numbers 55 49 F 5 M 52 post 3 right side 48 tub 1 combined 6 cyst 26 asympt 18 mild 11 complication 4.6 y (0–45 y) 20 associated anomalies Total group percentage % 89% F 11% M 94.5% post 5.5% right side 87% tub 2% combined 11% cyst 47% asympt 33% mild 20% complications 36% associated anomalies
Overview of the reported cases in English literature (first author and year of publication between brackets) with the number (No.) of reported cases, the localization (post: posterior), type of lesion (tub: tubular, cyst: cystic, both combined), presenting symptoms (asympt: asymptomatic; mild: mild symptoms (pruritus, discharge, constipation, diarrhea, and limited pain); complications (inflammation, abscedation)), age mean age and range between brackets in days (d), months (m), or years (y), and number and type of associated anomalies.