In those patients who have a false passage from the bladder into the prostatic urethra bypassing the functioning bladder neck excision of the false passage is performed through an abdominal approach. Posterior or total pubectomy may be required to excise this epithelised false passage.
http://www.strictureurethra.com/index.php?option=com_content...

History of urethral stricture – e.g. a false passage (common in males)
http://almostadoctor.co.uk/content/osces/skills-and-procedur...

It is easy to produce false passages and to do much damage
http://www.patient.co.uk/doctor/catheterising-bladders

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Note added at 7 hrs (2012-12-07 19:53:32 GMT)
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We report an unusual case of tracheal perforation in which the patient could not be effectively ventilated because of the creation of a false passage caused by the endotracheal tube adjacent to the posterior wall of the trachea.
http://europepmc.org/abstract/MED/12827127