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Skip to Main Content Close Home Articles & Issues Back Current Issue List of Issues Articles In Press Supplements Multimedia Back Podcasts For Authors Back About Open Access Author Information Permissions Researcher Academy Submit Your Manuscript Reviewer Information Journal Info Back About JAAD About Open Access Activate Online Access Advertising Contact JAAD Editorial Board Mobile Access Instructions Pricing Reprints New Content Alerts Subscribe Web Guidelines Resources Back Link to PubMed Link to OMIM AAD Back AAD Website AAD Member Log In About the AAD Collections Back Best of Acne Best of Psoriasis AAD Clinical Guidelines Acne Artificial Intelligence Atopic Dermatitis CME COVID-19 Game Changers Melanoma Nonmelanoma Skin Cancer Psoriasis Shared Science Top Cited Articles JAAD / JID Junction Open Access Articles Go search All Content Article Title, Abstract, Keywords Authors Article Title Abstract Advanced Search Log in AAD Member Login Non-Member Login Register Subscribe Claim FEATURED THIS MONTH Reflectance confocal microscopy Differentiating BCC from intradermal nevi Hepatitis B virus vaccine Occupational dermatoses & the COVID-19 pandemic Skin photoaging Previous slide Pause slide Next slide CURRENT ISSUE HIGHLIGHTS Risk of new-onset inflammatory bowel disease among patients with acne vulgaris exposed to isotretinoin Shari Wright, Andrew Strunk, Amit Garg DOI: https://doi.org/10.1016/j.jaad.2020.07.042 Vol. 84 , Issue 1 , p41–45 Full-Text HTML PDF A 20-year histopathologic study of pediatric nevi at an academic institution Danna Moustafa, Lyn M. Duncan, Elena B. Hawryluk DOI: https://doi.org/10.1016/j.jaad.2020.08.018 Vol. 84 , Issue 1 , p39–40 Full-Text HTML PDF Evidence following guidelines: Another COVID-19 paradox Warren R. Heymann DOI: https://doi.org/10.1016/j.jaad.2020.10.070 Vol. 84 , Issue 1 , p37–38 Full-Text HTML PDF Cosmetic procedure use as a type of substance-related disorder Payal Shah, Lauren K. Rangel, Roy G. Geronemus, Evan A. Rieder DOI: https://doi.org/10.1016/j.jaad.2020.08.123 Vol. 84 , Issue 1 , p86–91 Full-Text HTML PDF Clinical outcomes of COVID-19 in patients taking tumor necrosis factor inhibitors or methotrexate: A multicenter research network study Ahmed Yousaf, Swapna Gayam, Steve Feldman, Zachary Zinn, Michael Kolodney DOI: https://doi.org/10.1016/j.jaad.2020.09.009 Vol. 84 , Issue 1 , p70–75 Full-Text HTML PDF Current Issue CME Articles in Press Most Cited Most Read Supplements Review article Reflectance confocal microscopy: Principles, basic terminology, clinical indications, limitations, and practical considerations Neda Shahriari, Jane M. Grant-Kels, Harold Rabinovitz, Margaret Oliviero, Alon Scope DOI: https://doi.org/10.1016/j.jaad.2020.05.153 Vol. 84 , Issue 1 , p1–14 Full-Text HTML PDF Examination CME examination DOI: https://doi.org/10.1016/j.jaad.2020.08.061 Vol. 84 , Issue 1 , p15 Full-Text HTML PDF Review article Reflectance confocal microscopy: Diagnostic criteria of common benign and malignant neoplasms, dermoscopic and histopathologic correlates of key confocal criteria, and diagnostic algorithms Neda Shahriari, Jane M. Grant-Kels, Harold Rabinovitz, Margaret Oliviero, Alon Scope DOI: https://doi.org/10.1016/j.jaad.2020.05.154 Vol. 84 , Issue 1 , p17–31 Full-Text HTML PDF Examination CME examination DOI: https://doi.org/10.1016/j.jaad.2020.08.063 Vol. 84 , Issue 1 , p32 Full-Text HTML PDF Use of a dental mirror in the examination of oral pemphigus Jerene Mathews, Logamoorthy R, Laxmisha Chandrasekhar DOI: https://doi.org/10.1016/j.jaad.2019.10.047 Publication stage: In Press Journal Pre-Proof PDF Infantile infection and antibiotic exposure in association with pediatric psoriasis development: a nationwide nested case-control study Yi-Ju Chen, Hsiu J. Ho, Chen-Yi Wu, Chao-Kuei Juan, Chun-Ying Wu DOI: https://doi.org/10.1016/j.jaad.2020.12.014 Publication stage: In Press Journal Pre-Proof Preview PDF x Capsule Summary 1. The association between infection at an early age and pediatric psoriasis remains to be explored., 2. This nationwide nested case-control study suggested that skin infection, but not antibiotics, at an early age is independently associated with pediatric psoriasis on multivariate analysis. Use of hydroxychloroquine and risk of major adverse cardiovascular events in patients with lupus erythematosus: a Danish nationwide cohort study Jeanette Halskou Haugaard, Lene Dreyer, Mathias Bo Ottosen, Gunnar Gislason, Kristian Kofoed, Alexander Egeberg DOI: https://doi.org/10.1016/j.jaad.2020.12.013 Publication stage: In Press Journal Pre-Proof Preview PDF x Capsule summary: In this nationwide cohort study, an inverse association was found between use of hydroxychloroquine and major adverse cardiovascular events in patients with lupus erythematosus. Our findings suggest that use of hydroxychloroquine may provide a considerable opportunity for clinicians to reduce the risk of cardiovascular disease in patients with lupus erythematosus. Large nuclear size correlated with better overall survival, Merkel cell polyomavirus positivity, and terminal deoxynucleotidyl transferase expression in Merkel cell carcinoma Jakob M.T. Moran, Przemyslaw Biecek, Piotr Donizy, Cheng-Lin Wu, Janusz Kopczynski, Malgorzata Pieniazek, and others DOI: https://doi.org/10.1016/j.jaad.2020.05.125 Publication stage: In Press Corrected Proof Preview Full-Text HTML PDF x To the Editor: The histologic appearance of Merkel cell polyomavirus (MCPyV)-positive Merkel cell carcinoma (MCC) has been reported to be distinctive: more uniform, round nuclei and less cytoplasm than cells in MCPyV-negative tumors. 1 , 2 In most of these studies, however, the described morphologic differences were identified by light microscopy, and morphometric analysis was done on a limited number of cases. 1 , 3 Extraction of nuclear features by computational methods from high-resolution whole-slide digital scans of histologic slides has been shown to improve accuracy and consistency. 2020 Annual Report of DataDerm™: The Database of The American Academy of Dermatology (AAD) Marta VanBeek, TRobert A. Swerlick, Barbara Mathes, George J. Hruza, Jack Resneck Jr., Hon S. Pak, and others DOI: https://doi.org/10.1016/j.jaad.2020.11.068 Publication stage: In Press Journal Pre-Proof Preview PDF x Capsule summary: DataDerm™ is the largest clinical registry of dermatological patients in the world and is a valuable resource for quality improvement and research. As of December 31, 2019, DataDerm contained data from 10,618,879 patients and 32,309,389 patient visits. Depending on the reporting period, 800-900 practices (representing 2,400-2,600 clinicians) participate in DataDerm. View More Articles in Press 2020 Cited articles Guidelines of care for the management of acne vulgaris Andrea L. Zaenglein, Arun L. Pathy, Bethanee J. Schlosser, Ali Alikhan, Hilary E. Baldwin, Diane S. Berson, and others DOI: https://doi.org/10.1016/j.jaad.2015.12.037 Vol. 74 , Issue 5 , p945–973.e33 Open Access Full-Text HTML PDF Joint AAD-NPF Guidelines of care for the management and treatment of psoriasis with topical therapy and alternative medicine modalities for psoriasis severity measures Craig A. Elmets, Neil J. Korman, Elizabeth Farley Prater, Emily B. Wong, Reena N. Rupani, Dario Kivelevitch, and others DOI: https://doi.org/10.1016/j.jaad.2020.07.087 Publication stage: In Press Journal Pre-Proof PDF The spectrum of COVID-19–associated dermatologic manifestations: An international registry of 716 patients from 31 countries Esther E. Freeman, Devon E. McMahon, Jules B. Lipoff, Misha Rosenbach, Carrie Kovarik, Seemal R. Desai, and others DOI: https://doi.org/10.1016/j.jaad.2020.06.1016 Vol. 83 , Issue 4 , p1118–1129 Full-Text HTML PDF Guidelines of care for the management of primary cutaneous melanoma Work Group Susan M. Swetter, Hensin Tsao, Christopher K. Bichakjian, Clara Curiel-Lewandrowski, David E. Elder, and others DOI: https://doi.org/10.1016/j.jaad.2018.08.055 Vol. 8...