In 1836, Mercier first vigorously called attention to the occasional occurrence of obstructions at the prostatic orifice in cases other than prostatic hypertrophy, and gave them the name of valvules du col de la vessie. He described quite accurately the elevation of the median portion of the prostate in the form of a bar, which he said in some cases was due to muscular hypertrophy, and in others to a glandular enlargement in this region.
Mercier devised an instrument somewhat like a lithotrite by means of which he operated in a number of cases with fair success, but his operation was never adopted and soon fell into disuse.
Later French writers, particularly those of the Guyon school, departing from Mercier's teachings, have attributed the condition to lack of bladder tonicity, and the term prostatisme sans prostate has been quite generally used to describe this condition, which they believed to be
YOUNG HH. A NEW PROCEDURE (PUNCH OPERATION) FOR SMALL PROSTATIC BARS AND CONTRACTURE OF THE PROSTATIC ORIFICE. JAMA. 1913;60(4):253–257. doi:10.1001/jama.1913.04340040001001
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