File:Examination of the urine; a manual for students and practitioners (1909) (14775121024).jpg

Identifier: examinationofu00saxe (find matches)
Title: Examination of the urine; a manual for students and practitioners
Year: 1909 (1900s)
Authors: Saxe, George Alexander De Santos, 1876-1911
Subjects: Urine
Publisher: Philadelphia and London, W. B. Saunders Company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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*r Fig. 79.—Pure epithelial shred in a case of chronic urethritis withhard infiltration in the bulbous urethra, showing pavement of cells and nopus (X147-5)- The examination of shreds is not of much value in local-izing the affection in the anterior or posterior urethra.The presence of prostatic or vesicular epithelia and ofspermatozoa in the shreds may point to the involvement ofthe prostatic urethra, but the localization of a urethritismust be carried out by other methods which do not belongto urine analysis. 326 EXAMINATION OF THE URINE Urethral shreds appear with a fair degree of regularitywith each stage of urethritis, the order usually observedbeginning with a subacute case and ending with a pro-nouncedly chronic condition with induration and strictureformation: (i) Pus shreds; (2) mucopus shreds; (3)
Text Appearing After Image:
Fig. 80.—Epithelia found in shreds: A, Normal urethral epithelia;B, modified flat cells from the superficial layers in the stage of hard in-filtration. mucous shreds, and (4), epithelial shreds. While this isthe typic evolution of shreds in chronic urethritis, thisrule is subject to many exceptions. For example, if anacute exacerbation occurs in the course of a chronic case,some of the types of shreds which had been present earlierwill reappear. Moreover, the same urine may contain MICRO-ORGANISMS 327 several varieties of shreds, as different parts of the urethramay not keep equal pace in the progress of the disease. Each of the varieties of shreds described, however, hasa distinct significance as regards the pathologic process inthe urethra which each type represents. Pus shreds indi-cate a subacute or chronic exudative process. They arethe first signals of chronicity and appear in the chronic stagewhenever an active inflammatory process is going on. Asthe urethritis becomes more c

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