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Stones that have remained in the ureter for a long time occasionally have holes through them. I have such a specimen, which was removed from a man who gave a history of ureteral colic for several years. Other urologists have found similar specimens. The method of formation of these stones is similar to that of other calculi. The deposit is made on the primary calculus, but it follows the circumference of the ureter, leaving a groove or a hole through the stone.
The specimen presented here is so unusual and the conditions contributing to its formation so rare that it seems wise to report it. I have not found the report of a similar case. Joly says it is impossible for hollow stones to form. He did not, however, consider such unusual conditions as those contributing to the formation of this stone.
—A man, aged 31, complained of a
Cecil HL. A HOLLOW KIDNEY STONE. JAMA. 1932;98(21):1803–1804. doi:10.1001/jama.1932.27320470001010
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