If this doctor knows his stuff, than the ducts, and the glands will be removed completely, and it will in theory be an affective voiding.
However, A HUGE AMOUNT are done in basements by Dr. Frankenstein(s) and not complete. They merely snip the duct and they have been known to regenerate. They do not always use sterile environment and death is a common occurance for the reptile. Check this out...........
Dr. Frankenstein in Action
Rick