Postoperative Megarectum in an Adult Patient with Imperforate Anus and Rectourethral Fistula

Figure 2

(a) Retrograde urethrography indicated a dilated rectum (black double concentric circles), urinary bladder (black star), and rectourethral fistula between the prostate urethra and lower rectum (black arrow) with stones (black cross). (b) Magnetic resonance imaging (MRI) revealed a megarectum (white double open circles) with stones (white cross).

(a)

(b)