Clinical Lectures on Diseases of the Urinary Organs is a late-19th-century clinical text drawn from lectures delivered at University College Hospital by Sir Henry Thompson, one of the dominant figures in early urology. Unlike domestic medical manuals, this book was written squarely for physicians and surgeons actively managing urinary disease in hospital and private practice.

The work is structured as a series of lectures based on observed cases rather than theory. Topics include urethral stricture, urinary retention, bladder stone disease, lithotrity, lithotomy, cystitis, prostatitis, hematuria, and renal calculus. Thompson repeatedly emphasizes diagnosis, judgment, and technique, often revisiting older methods only to explain why he abandoned them.

The tone is confident but restrained. Thompson does not promise cures; instead, he discusses outcomes, complications, and limits. The text captures urology during a transitional period—after anesthesia but before antibiotics—when surgical intervention was increasingly feasible but still carried serious risk.

This American edition reflects the transatlantic influence of British surgical teaching and was intended for students and practicing physicians rather than lay readers. It is a working book, not a popular one.