Urethra malformations

CT has a limited role in the evaluation of the urethra. Certain urethral abnormalities such as calculi or diverticula may be incidentally discovered at CT performed for other indications. CT is useful in patients with pelvic trauma (Chou et al. 2005) and associated urethral injuries and for staging of urethral carcinoma. CT virtual cystoscopy and voiding urethrography can be indicated in patients with complex urethral strictures and malformations. 

The term imperforate anus includes all kinds of anorectal malformations from covering of the anus by a thin skin membrane to high anorectal atresia - with or without a fistula, into the urethra or bladder - and to cloacal anomalies in females. It is well known that a high proportion of patients with imperforate anus have this maldevelopment in association with anomalies of one or several other... 

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