Lidocaine as a Topical Anesthetic for Bladder Biopsies

Abstract
The use of lidocaine as a topical anesthetic in bladder biopsies is described. Lidocaine was used in 7 patients undergoing random bladder biopsies and serum lidocaine levels were measured 7 to 10 minutes after instillation. Adequate pain control was noted in each patient with negligible serum lidocaine levels even in the face of denuded bladder mucosa.

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