Urology has undergone many changes since the last Lecture Notes on Urology was revised. Once again, almost a complete rewrite has been necessary: some out–of–date topics have been dropped and new and exciting material added. At no time has urology not been an essential part of the work of a physician, but today the medical undergraduate′s curriculum is so crowded that it becomes even more necessary to prune away those matters that are probably only relevant to the trainee surgeon.
