{"paper_id":"f509d169-a0d7-4845-ba44-151d5363320a","body_text":"<!-- Brazil - Endometriosis: an improper name for two different disorders Endometriosis: an improper name for two different disorders window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-MKLVK7B5B6'); .articleTxt{ top: -16px; } .scielo__border-top{ border-top: 1px solid #ccc !important; } @media (max-width: 575.98px) { .articleCtt > .container{ padding-left: 0; padding-right: 0; } .articleCtt .articleTxt{ padding-left: 16px !important; padding-right: 16px !important; } } @media (min-width: 768px){ .scielo__truncate{ display: block; max-width: 285px; } } Menu Brazil Journal list by title Journal list by subject area Search Metrics (abre em nova aba) Sobre o SciELO Brazil Contacts Report error SciELO.org - The SciELO Network (abre em nova aba) National and thematic collections (abre em nova aba) Journal list by title (abre em nova aba) Journal list by subject (abre em nova aba) Search (abre em nova aba) Metrics (abre em nova aba) OAI and RSS (abre em nova aba) About the SciELO Network (abre em nova aba) Contacts (abre em nova aba) Blog SciELO in Perspective (abre em nova aba) (function () { const details = document.getElementById('scieloMainMenu'); if (!details) return; const summary = document.getElementById('scieloMainMenuSummary'); if (!summary) return; document.addEventListener('click', function (event) { if (!details.contains(event.target) && details.open) { details.open = false; } }); document.addEventListener('keydown', function (event) { if (event.key === 'Escape' && details.open) { details.open = false; summary.focus(); } }); })(); Brazil language en English Português Español Revista da Associação Médica Brasileira Mostrar opções launch Submission of manuscripts info About the journal help_outline Política editorial people Editorial Board help_outline Instructions to authors email Contact show_chart Metrics home Table of contents navigate_before previous (indisponível) current next navigate_next Text (EN) Text (English) PDF Download PDF (English) article Conteúdo: Text (EN) Text (English) Download PDF (English) (abre em nova aba) share Whatsapp BlueSky Mastodon Facebook Mais home Table of contents share Whatsapp BlueSky Mastodon Facebook Mais Text (EN) Text (English) PDF Download PDF (English) (abre em nova aba) Editorial • Rev. Assoc. Med. Bras. 69 (1) • 2023 • https://doi.org/10.1590/1806-9282.20221484 link copy Endometriosis: an improper name for two different disorders About the editor SCIMAGO INSTITUTIONS RANKINGS The suffix osis (from ancient Greek, ωσις) in medical terms denotes a state of morphological and functional disorder, in general with degenerative consequences such as osteoporosis, arthrosis, diverticulosis, cirrhosis, myocardosis, apoptosis, and necrosis 1 . Even when this word is used to define an increasing process, for example, leukocytosis, fibromatosis, tuberculosis, and mycosis, deteriorating consequences occur in cells, tissues, and organs as well 1 . Endometriosis may be used as endometrial hypoplasia or atrophy, which occurs with the age inside uterus, starting in the climacteric period. However, this term has been used as the presence of endometrial tissue not only in abnormal sites, mostly in the pelvis, but also in other parts of the body. Endometrial tissue has been described in peritoneum, omentum, liver, kidney, lung, heart, spine, eyes, neck, and even central nervous system. This tissue is frequently found in pelvic tissues, including ovary, sigmoid, rectum, and abdominal wall after surgical procedures on the uterus 2 . The presence of endometrial tissue outside the uterus is not a deteriorating process or an increased disorder of the endometrium. The correct term for the presence of any tissue far from its origin is “teleplasia” (τῆλε, at a distance, far away, or far from; and πλάσις, molding, formation), but this word was not included in the medical terminology. Since the first studies of pathology in the 19th century, metaplasia (μετά, after, beyond, changed, or altered) has been adopted. The pathogenesis of any metaplasia, including metastasis, is not known, but it is not due to a modification of local mature tissue to another type of cell. Only the stem cells are able to create other cells and probably the metaplasia of any tissue 3 . None of theories that explained this disorder has been proven. Thus, the correct term for endometrial tissue far from the uterus is endometrial metaplasia no matter its origin since the embryonic stage or from stem cells 4 , 5 . On the other hand, the iatrogenic implant of endometrial tissue in pelvic organs (peritoneum, ovary, urinary bladder, sigmoid, rectum) and in the surgical wound during a procedure on the uterus, mainly cesarean, biopsies, and intrauterine fetal surgeries, cannot be named endometrial metaplasia. The pathogenesis of this disorder has been established as a surgical event, and it should be named endometrial implant. These implants are self-limited, occur near the uterus, and do not spread to distal sites 6 , 7 . In conclusion, spontaneous presence of endometrial tissue outside the uterus should be named endometrial metaplasia, and when the ectopic endometrial tissue is due to a surgical procedure, it is an endometrial implant, but not endometriosis. Funding: none. ACKNOWLEDGMENTS The author gratefully thanks the Research Support Foundation of the State of Minas Gerais (FAPEMIG), the National Council for Scientific and Technological Development (CNPq), and the Dean's Office for Research (Pró-reitoria de Pesquisa) at UFMG for their financial support. REFERENCES 1 Dujols P, Aubas P, Baylon C, Grémy F. Morpho-semantic analysis and translation of medical compound terms. Methods Inf Med. 1991;30(1):30-5. PMID: 2005831 2 Coiplet E, Courbiere B, Agostini A, Boubli L, Bretelle F, Netter A. Endometriosis and environmental factors: a critical review. J Gynecol Obstet Hum Reprod. 2022;51(7):102418. https://doi.org/10.1016/j.jogoh.2022.102418 » https://doi.org/10.1016/j.jogoh.2022.102418 3 Cousins FL, O DF, Gargett CE. Endometrial stem/progenitor cells and their role in the pathogenesis of endometriosis. Best Pract Res Clin Obstet Gynaecol. 2018;50:27-38. https://doi.org/10.1016/j.bpobgyn.2018.01.011 » https://doi.org/10.1016/j.bpobgyn.2018.01.011 4 Litta P, Codroma A, D'Agostino G, Breda E. Morular endometrial metaplasia: review of the literature and proposal of the management. Eur J Gynaecol Oncol. 2013;34(3):243-7. PMID: 23967555 5 Maruyama T, Yoshimura Y. Stem cell theory for the pathogenesis of endometriosis. Front Biosci (Elite Ed). 2012;4(8):2754-63. https://doi.org/10.2741/e589 » https://doi.org/10.2741/e589 6 Zubrzycka A, Zubrzycki M, Janecka A, Zubrzycka M. New horizons in the etiopathogenesis and non-invasive diagnosis of endometriosis. Curr Mol Med. 2015;15(8):697-713. https://doi.org/10.2174/1566524015666150921105218 » https://doi.org/10.2174/1566524015666150921105218 7 Sengul I, Sengul D, Soares Junior JM. Interpretations on a rare localization of endometriosis: labium minus. Rev Assoc Med Bras (1992). 2021;67(1):1-2. https://doi.org/10.1590/1806-9282.67.01.001 » https://doi.org/10.1590/1806-9282.67.01.001 Publication Dates Publication in this collection 09 Jan 2023 Date of issue 2023 History Received 07 Nov 2022 Accepted 22 Nov 2022 This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. About the editor .author-card { border-bottom: 1px solid #ccc; padding: 1rem 0; } .author-card:last-child { border-bottom: 0px; } .author-name { font-weight: 600; } .orcid-button { padding-left: 2.5rem; } .modal-body { padding-bottom: 3rem; } .orcid-button::before { content: \"\"; position: absolute; background-image: url(https://ds.scielo.org/img/logo-orcid.svg); background-repeat: no-repeat; background-size: 1.5em auto; background-position: .5em center; display: block; width: 60px; height: 60px; top: -10px; left: 0; } person Andy Petroianu * school Universidade Federal de Minas Gerais, School of Medicine, Department of Surgery – Belo Horizonte (MG), Brazil. Universidade Federal de Minas Gerais Brazil Belo Horizonte, MG, Brazil Universidade Federal de Minas Gerais, School of Medicine, Department of Surgery – Belo Horizonte (MG), Brazil. 0000-0002-8659-6866 person * Corresponding author: petroian@gmail.com Conflicts of interest: the authors declare there is no conflicts of interest. SCIMAGO INSTITUTIONS RANKINGS Universidade Federal de Minas Gerais, School of Medicine, Department of Surgery – Belo Horizonte (MG), Brazil. Universidade Federal de Minas Gerais Brazil Belo Horizonte, MG, Brazil Universidade Federal de Minas Gerais, School of Medicine, Department of Surgery – Belo Horizonte (MG), Brazil. How to cite link copy function currentDate() { var today = new Date(); var months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'] today.setTime(today.getTime()); return today.getDate() + \" \" + months[today.getMonth()] + \" \" + today.getFullYear(); } var citation = 'Petroianu, Andy. Endometriosis: an improper name for two different disorders. Revista da Associação Médica Brasileira [online]. 2023, v. 69, n. 1 [Accessed CURRENTDATE], pp. 1. Available from: <https://doi.org/10.1590/1806-9282.20221484>. Epub 09 Jan 2023. 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