Nephron
Original Paper
Phase Contrast Microscopy of the Urine Sediment for the Diagnosis of Glomerular and Nonglomerular Bleeding-Data in Children and Adults with Normal Creatinine ClearanceDe Santo N.G. · Nuzzi F. · Capodicasa G. · Lama G. · Caputo G. · Rosati P. · Giordano C.Chair of Pediatric Nephrology, II Institute of Pediatrics, Institute of Internal Medicine and Nephrology, 1st Faculty of Medicine, and Institute of Biological Structure and Ultrastructure, 2nd Medical Faculty, University of Naples, Italy
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Article / Publication Details
Accepted: April 07, 1986
Published online: December 05, 2008
Issue release date: 1987
Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 0
ISSN: 1660-8151 (Print)
eISSN: 2235-3186 (Online)
For additional information: https://www.karger.com/NEF
Abstract
In a pediatric and in an adult group of patients with hematuria and normal creatinine clearance overnight urine examination was carried out on 2 nonconsecutive days by means of phase contrast microscopy by two independent observers working in two different institutions. In this way it was possible to distinguish between patients on the basis of dysmorphic (glomerular) and isomorphic (nonglomerular) red cells in urine and to correlate the findings with the final diagnosis. A clear-cut indication (more than 80% of isomorphic and/or dysmorphic red cells) was obtained in 163 patients (102 of pediatric age) and final diagnosis of hematuria correlated with red-cell microscopy findings in 96.4% of glomerular diseases and in all cases of nonglomerular origin. Mixed hematuria (50–75% of dysmorphic red cells) was found in 2 cases of renal tuberculosis, 2 cases of polycystic kidney disease and in 1 child with viral meningoencephalitis with a bladder stone. The data indicate that the method is safe and accurate but further experience must be gathered for the many etiologies of glomerular and nonglomerular diseases hitherto not studied.
© 1987 S. Karger AG, Basel
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Article / Publication Details
Accepted: April 07, 1986
Published online: December 05, 2008
Issue release date: 1987
Number of Print Pages: 5
Number of Figures: 0
Number of Tables: 0
ISSN: 1660-8151 (Print)
eISSN: 2235-3186 (Online)
For additional information: https://www.karger.com/NEF
Copyright / Drug Dosage / Disclaimer
Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher.Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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