Accepted Article This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/jdv.15124 This article is protected by copyright. All rights reserved. DR. INES ZARAA (Orcid ID : 0000-0003-1886-3528) Article type : Original Article Title: In Situ Nail Unit Melanoma: epidemiological and clinic- pathologic features with conservative treatment and long term follow up Running head: In Situ Nail Unit Melanoma Authors: Sophie. Goettmann†* MD, Isabelle. Moulonguet§ MD, Inès. Zaraa‡ MD Institutions: †Dermatology, Dermatology Office, 05 Villa Boileau 75016 Paris, France §Pathological Anatomy, Pathology Office, 35 Avenue Mathurin Moreau 75019 Paris, France ‡Dermatology Department, Bichat-Claude Bernard Hospital, 75018 Paris, France *Correspondence: Sophie. Goettmann. 05 Villa Boileau 75016 Paris Tél : +33147439610 E-mail: sophie.nail@gmail.com Funding or Support: None. Potential conflict of Interest: None Declared.