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      Entodermoscopy: A New Tool for Diagnosing Skin Infections and Infestations

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          Abstract

          Background: There is upcoming evidence that dermoscopy facilitates the in vivo diagnosis of skin infections and infestations. As such, dermoscopy connects the research fields of dermatologists and entomologists, opening a new research field of ‘entodermoscopy’. Objective: To provide an overview on the current applications of entodermoscopy. Methods: Systematic review of the English- and German-language literature by searches of Medline, Medscape and abstracts of the 1st World Congress of the International Dermoscopy Society. Results: Dermoscopic patterns have been described for viral warts, molluscum contagiosum, scabies, pediculosis, tinea nigra, tungiasis, cutaneous larva migrans, ticks and reactions to spider leg spines. Besides the diagnostic role of dermoscopy, there is increasing evidence that it can also assist in the monitoring of treatment efficacy for some of these conditions. Conclusion: Although most of the current available literature is based on single observations and small case studies rather than controlled trials, an increasing interest in this field can be observed.

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          Most cited references27

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          Dermoscopy of pigmented skin lesions: results of a consensus meeting via the Internet.

          There is a need for better standardization of the dermoscopic terminology in assessing pigmented skin lesions. The virtual Consensus Net Meeting on Dermoscopy was organized to investigate reproducibility and validity of the various features and diagnostic algorithms. Dermoscopic images of 108 lesions were evaluated via the Internet by 40 experienced dermoscopists using a 2-step diagnostic procedure. The first-step algorithm distinguished melanocytic versus nonmelanocytic lesions. The second step in the diagnostic procedure used 4 algorithms (pattern analysis, ABCD rule, Menzies method, and 7-point checklist) to distinguish melanoma versus benign melanocytic lesions. kappa Values, log odds ratios, sensitivity, specificity, and positive likelihood ratios were estimated for all diagnostic algorithms and dermoscopic features. Interobserver agreement was fair to good for all diagnostic methods, but it was poor for the majority of dermoscopic criteria. Intraobserver agreement was good to excellent for all algorithms and features considered. Pattern analysis allowed the best diagnostic performance (positive likelihood ratio: 5.1), whereas alternative algorithms revealed comparable sensitivity but less specificity. Interobserver agreement on management decisions made by dermoscopy was fairly good (mean kappa value: 0.53). The virtual Consensus Net Meeting on Dermoscopy represents a valid tool for better standardization of the dermoscopic terminology and, moreover, opens up a new territory for diagnosing and managing pigmented skin lesions.
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            Dermoscopy in General Dermatology

            Dermoscopy improves the diagnostic accuracy in the clinical evaluation of pigmented skin lesions, but it is also useful for the assessment of vascular structures that are not visible to the naked eye. As a consequence, dermoscopy has been employed more and more for the differential diagnosis of nonpigmented skin disorders, including tumors but also inflammatory and infectious diseases. This article provides a review of the dermoscopic features seen in various nonpigmented tumoral and nontumoral skin lesions as well as the dermoscopic criteria used for monitoring skin reactions to various treatments.
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              • Article: not found

              Dermoscopy of pigmented skin lesions.

              Dermoscopy is an in vivo method for the early diagnosis of malignant melanoma and the differential diagnosis of pigmented lesions of the skin. It has been shown to increase diagnostic accuracy over clinical visual inspection in the hands of experienced physicians. This article is a review of the principles of dermoscopy as well as recent technological developments.
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                Author and article information

                Journal
                DRM
                Dermatology
                10.1159/issn.1018-8665
                Dermatology
                S. Karger AG
                1018-8665
                1421-9832
                2008
                November 2007
                28 November 2007
                : 216
                : 1
                : 14-23
                Affiliations
                aDepartment of Dermatology, Medical University of Graz, Graz, Austria; bMends St Medical Centre, South Perth, Australia; cInstituto de Investigaciones Médicas, A. Lanari University of Buenos Aires, Buenos Aires, Argentina; dDepartment of Dermatology, University Tor Vergata, Rome, ePathologic Anatomy Service, Gaetano Rummo General Hospital, Benevento, and fDepartment of Dermatology, Second University of Naples, Naples, Italy; gMelanoma Unit, Department of Dermatology, Hospital Clinic, IDIBAPS, Barcelona, Spain; hClinic of Dermatology and Allergology, Hospital München Schwabing, München, Germany
                Article
                109353 Dermatology 2008;216:14–23
                10.1159/000109353
                18032894
                c51bb8a6-1ded-4360-8f0e-17debcf33b37
                © 2008 S. Karger AG, Basel

                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. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                History
                : 15 May 2007
                : 17 May 2007
                Page count
                Figures: 7, References: 39, Pages: 10
                Categories
                Clinical and Laboratory Investigations

                Oncology & Radiotherapy,Pathology,Surgery,Dermatology,Pharmacology & Pharmaceutical medicine
                Skin infection,Human parasites,Skin infestation,Dermoscopy

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