Digestion
Original Paper
Colonoscopic Findings and Pathologic Characteristics of Strongyloides Colitis: A Case SeriesMinematsu H.a · Hokama A.c · Makishi T.a · Arakaki K.b · Kinjo F.d · Fujita J.caGastroenterology Unit and bPathology Unit, Tomishiro Central Hospital, Tomigusuku, and cDepartment of Infectious, Respiratory and Digestive Medicine, University of the Ryukyus, and dEndoscopy Unit, University Hospital of the Ryukyus, Nishihara, Japan
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Article / Publication Details
Published online: January 21, 2011
Issue release date: January 2011
Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 2
ISSN: 0012-2823 (Print)
eISSN: 1421-9867 (Online)
For additional information: https://www.karger.com/DIG
Abstract
Background/Aims: Strongyloidiasis, which is caused by Strongyloides stercoralis, is one of the prevalent infections in the tropical and subtropical regions worldwide. The larvae mainly infect the small intestine and cause serious disseminated strongyloidiasis. Although upper gastrointestinal features in strongyloidiasis are well known, colonoscopic evaluation has not been established yet. The aim of this study is to clarify the characteristic findings on colonic lesions in strongyloidiasis. Method: From January 2005 to December 2009, 10 cases with strongyloidiasis underwent colonoscopy at a single center on an endemic island of Japan. The clinical and colonoscopic findings were analyzed retrospectively. Results: Six (60%) cases had an immunocompromised condition, including human T lymphotropic virus type 1 infection, corticosteroids, and chemotherapy. Hyperinfection or disseminated strongyloidiasis was not presented. Endoscopic features included yellowish-white nodules, erythema, and loss of vascular pattern, which were mainly observed in the right colon. Pathological examination revealed the filariform Strongyloides larvae and the eosinophilic infiltration of the lamina propria. Conclusion: This study demonstrates that colonoscopic observation and biopsies are very useful to diagnose strongyloidiasis. Asymptomatic cases with strongyloidiasis can have colonic involvement. Yellowish-white nodules may be a characteristic finding of colonic lesions in strongyloidiasis and can be a cautious marker to prevent fatal disseminated strongyloidiasis in endemic regions.
© 2011 S. Karger AG, Basel
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References
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Article / Publication Details
Published online: January 21, 2011
Issue release date: January 2011
Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 2
ISSN: 0012-2823 (Print)
eISSN: 1421-9867 (Online)
For additional information: https://www.karger.com/DIG
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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