Figure 1: (a) Appearance of accessory urethra on fistulography and (b) on voiding cystography; (c, d, e) methylene blue flow, which was injected into the perianal fistula, was seen in the prostatic urethra during cystourethroscopy
Figure 1: (a) Appearance of accessory urethra on fistulography and (b) on voiding cystography; (c, d, e) methylene blue flow, which was injected into the perianal fistula, was seen in the prostatic urethra during cystourethroscopy