From: Anorectal anomalies in the male: revisiting the radiological classification
 | Position of the distal rectum in relation to corresponding sacral vertebrae | ||||
---|---|---|---|---|---|
Below S5 | At level of S5 | At level of S4 | At level of S3 | At level of S2 | |
Recto-bulbar fistula (21 cases) | 16 | 5 | – | – | – |
Recto-prostatic fistula (30 cases) | -- | 3 | 16 | 10 | 1 |
Imperforate anus without fistula (11 cases) | 4 | 6 | 1 | – | – |