Table 1 Summary of reported cases of carcinoma in patients with imperforate anus
Case | Age/sex | Type of anorectal malformation | Concomitant GU anomaly | Location of carcinoma | Type of carcinoma | Reference |
|---|---|---|---|---|---|---|
1 | 63/M | Rectourethral fistula (bulbar) | Hypospadia | Rectosigmoid colon (12 cm from anal verge) | Adenocarcinoma | Polk et al. (1982) |
2 | 35/M | Rectourethral fistula (prostatic) | None | Anorectum | Adenocarcinoma | Mukawa et al. (1988) |
3 | 25/M | Not mentioned | Hypospadia Neurogenic bladder | Rectosigmoid colon (2 cm from anal verge) | Mucinous adenocarcinoma | Posey et al. (2000) |
4 | 21/M | Rectoperineal fistula | None | Anorectum | Adenocarcinoma (poorly differentiated) | Ou et al. (2007) |
5 | 44/M | Not mentioned | Not mentioned | Retrorectal | Mucinous adenocarcinoma | Symons et al. (2010) |
6 | 53/M | Rectourethral fistula | Not mentioned | Pararectal | Mucinous adenocarcinoma | Symons et al. (2010) |
7 | 40/M | Not mentioned | Not mentioned | Neorectum | Adenocarcinoma | Ahmed et al. (2012) |
8 | 43/M | Recurrent misdiagnosed rectourethral fistula | Not mentioned | Neorectum (2 cm from anal verge) | Adenocarcinoma | Gupta et al. (2012) |
9 | 65/F | Rectovestibular fistula (never treated) | Left renalhypoplasia | Rectum (7 cm from anal verge) | Adenocarcinoma | Violi et al. (2001) |
10 | 60/M | Colovesical fistula (never treated) | Right crossed fused renal ectopia | Splenic flessure | Adenocarcinoma | Clark et al. (2002) |
Author’s 1 | 34/F | Rectovestibular fistula | None | Anorectum (8 cm from anal verge) | Mucinous adenocarcinoma | |
Author’s 2 | 34/M | Rectourethral fistula (prostatic) | None | Anorectum (8 cm from anal verge) | Mucinous adenocarcinoma |