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: 10.1002/IJGO.13316 This article is protected by copyright. All rights reserved DR. FRANCISCO JOSE NAVARRO-TRIVIÑO (Orcid ID : 0000-0002-5454-3671) DR. RICARDO RUIZ-VILLAVERDE (Orcid ID : 0000-0002-0381-6174) Article type : Brief Communication BRIEF COMMUNICATION A rare case of ovarian metastasis of esthesioneuroblastoma: A case report Glaiza S. de Guzman * , Maria Margarita Franchesca C. Lojo, Valerie T. Guinto Department of Obstetrics and Gynecology, University of the Philippines Manila – Philippine General Hospital, Manila, Philippines *CORRESPONDENCE Glaiza S. de Guzman, Ortoll Primary Reproductive Health Care Center, Philippine General Hospital, Taft Avenue, Manila, Philippines. Email: gsdeguzman1@gmail.com KEYWORDS Esthesioneuroblastoma; Metastasis; Olfactory neuroblastoma; Ovary; Recurrence; Sinonasal malignancy SYNOPSIS A rare case of recurrent esthesioneuroblastoma with ovarian metastasis was reported. Long- term oncologic surveillance should be emphasized to patients given the poor prognosis of this condition. Esthesioneuroblastoma is an uncommon neoplasm derived from olfactory neuroepithelium.[1] The reported incidence of esthesioneuroblastoma is 0.4 cases per Accepted Article