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April 8, 1893


JAMA. 1893;XX(14):398-399. doi:10.1001/jama.1893.02420410022005

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Many standard text-books do not contain any statements whatsoever relative to the so-called cylindroids in the urine which every careful observer meets with very frequently in his routine urinary examinations. The recent article by Mauges on cylindroids in the urine (New York Medical Journal, February 18, 1893) is consequently a timely contribution, presenting as it does in full all the important facts concerning this somewhat neglected element in the urinary sediment. Cylindroids were first described by Thomas in 1870, and he gave them this name because they greatly resembled true casts together with which they frequently occurred. They are delicate, ribbon-like forms, with very faint outlines, quite refractile, of almost the same diameter as true cylinders; they are usually very long, present frequent bends and twists, as well as lateral indentations; they also occasionally have narrow, elongated, branching extremities. Sometimes they have been found in the interior of genuine, hyaline

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