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Updated: Jun 30, 2026

Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser
Published on: May 9, 2018
Urethral injury during potassium-titanyl-phosphate laser prostatectomy complicated by transurethral resection
John A Dilger1, Michael T Walsh, Mary E Warner
1Department of Anesthesiology, College of Medicine, Mayo Clinic, 200 First St. SW, Rochester, MN 55905, USA.
Abstract:
The green light potassium-titanyl-phosphate laser photoselective vaporization of the prostate is the latest modality for treatment of benign prostatic obstruction. Because of effective superficial tissue coagulation, intravascular absorption of fluid is minimal; therefore, development of transurethral resection syndrome is unlikely. To our knowledge, this is the first report of a patient undergoing photoselective vaporization of the prostate who developed full-blown transurethral resection syndrome because of intravascular absorption of sterile water. Absorption of hypotonic irrigant presumably occurred through the injury induced during insertion of the laser cystoscope.
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