Endometrial osseous metaplasia: sonographic, radiological and histopathological findings.

<!-- Brazil - Endometrial osseous metaplasia: sonographic, radiological and histopathological findings Endometrial osseous metaplasia: sonographic, radiological and histopathological findings 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 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) document.addEventListener('DOMContentLoaded', function () { const wrapper = document.getElementById('scieloMainMenu'); const toggle = document.getElementById('scieloMainMenuToggle'); const panel = document.getElementById('scieloMainMenuNav2'); if (!wrapper || !toggle || !panel) return; const icon = toggle.querySelector('.material-icons-outlined'); const focusableSelector = [ 'a[href]', 'button:not([disabled])', 'input:not([disabled])', 'select:not([disabled])', 'textarea:not([disabled])', '[tabindex]:not([tabindex="-1"])' ].join(','); function setIcon(iconName) { if (icon) { icon.textContent = iconName; } } function getFocusableItems() { return Array.prototype.slice.call(panel.querySelectorAll(focusableSelector)) .filter(function (item) { return item.offsetParent !== null; }); } function openMenu() { panel.hidden = false; toggle.setAttribute('aria-expanded', 'true'); wrapper.classList.add('is-open'); setIcon('close'); const focusableItems = getFocusableItems(); if (focusableItems.length) { focusableItems[0].focus(); } } function closeMenu(options) { const settings = options || {}; panel.hidden = true; toggle.setAttribute('aria-expanded', 'false'); wrapper.classList.remove('is-open'); setIcon('menu'); if (settings.restoreFocus) { toggle.focus(); } } function isMenuOpen() { return toggle.getAttribute('aria-expanded') === 'true'; } toggle.addEventListener('click', function (event) { event.preventDefault(); event.stopPropagation(); if (isMenuOpen()) { closeMenu({ restoreFocus: true }); } else { openMenu(); } }); panel.addEventListener('click', function (event) { event.stopPropagation(); }); document.addEventListener('click', function (event) { if (isMenuOpen() && !wrapper.contains(event.target)) { closeMenu(); } }); document.addEventListener('keydown', function (event) { if (!isMenuOpen()) return; if (event.key === 'Escape') { event.preventDefault(); closeMenu({ restoreFocus: true }); return; } if (event.key !== 'Tab') return; const focusableItems = getFocusableItems(); if (!focusableItems.length) return; const firstItem = focusableItems[0]; const lastItem = focusableItems[focusableItems.length - 1]; if (event.shiftKey && document.activeElement === firstItem) { event.preventDefault(); toggle.focus(); return; } if (!event.shiftKey && document.activeElement === toggle) { event.preventDefault(); firstItem.focus(); return; } if (!event.shiftKey && document.activeElement === lastItem) { closeMenu(); } }); }); Brazil language en English Português Español Radiologia 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 current next navigate_next Text (EN) Text (English) Text (Portuguese) PDF Download PDF (English) Download PDF (Portuguese) article Conteúdo: Text (EN) Text (English) Text (Portuguese) Download PDF (English) (abre em nova aba) Download PDF (Portuguese) (abre em nova aba) share Whatsapp BlueSky Mastodon Facebook Mais home Table of contents share Whatsapp BlueSky Mastodon Facebook Mais Text (EN) Text (English) Text (Portuguese) PDF Download PDF (English) (abre em nova aba) Download PDF (Portuguese) (abre em nova aba) LETTERS TO THE EDITOR • Radiol Bras 49 (1) • Jan-Feb 2016 • https://doi.org/10.1590/0100-3984.2015.0032 link copy Endometrial osseous metaplasia: sonographic, radiological and histopathological findings Authorship SCIMAGO INSTITUTIONS RANKINGS Dear Editor, A 31-year-old, female patient with previous history of spontaneous miscarriage with uterine curettage eight years ago, undergoing investigation for secondary infertility, increased menstrual flow and pelvic pain. Transvaginal ultrasonography (US) ( Figures 1A and 1B ) showed a hyperechoic endometrial, nonspecific, plate-shaped image with posterior acoustic shadowing, and measuring 2.7 × 2.6 cm. Pelvic radiography ( Figure 1C ) identified a focus of calcification at endometrial site. Figure 1 A,B: Transvaginal ultrasonography demonstrating hyperechoic image with posterior acoustic shadowing in the endometrium, compatible with calcification. C: Hip radiography, oblique view showing an image with calcific density corresponding to the one found at ultrasonography, strengthening the suggested hypothesis. On the basis of the imaging findings and clinical history, the presumptive diagnosis was endometrial osseous metaplasia, confirmed by histopathological study revealing the presence of a plate of trabecular bone tissue surrounded by fibrous tissue and proliferative endometrium ( Figure 2 ). Cartilage, bone marrow, chronic inflammation and trophoblastic tissue were not present. Figure 2 Photomicrography with low and medium magnification showing osseous trabeculae intermingled with endometrial tissue. Observe the endometrial glands at the lower right corner. Hematoxylin-eosin staining. Endometrial osseous metaplasia corresponds to the presence of bone-like tissue within the uterine cavity. It is a rare entity, affecting only 0.15% of the patients referred to hysteroscopy clinics ( 1 , 2 ) . The pathogenesis of such a condition still remains controversial. The two most accepted mechanisms involve either the presence of chronic endometrioses with undifferentiated mesenchymal cells inducing the endometrial stromal cells transformation into osteoblasts, or miscarriage with dystrophic ossification of the residual ovular tissues ( 3 ) . Such hypotheses are reinforced as one considers that more than 80% of cases occur after pregnancies that evolved to miscarriage, particularly those followed by infection ( 4 ) . Symptoms include pelvic pain and menstrual flow alterations, but the main consequence of the presence of bone tissue in the uterine cavity is infertility ( 5 ) . The association between osseous metaplasia and infertility occurs because of the similarity between the action of the bone tissue and the action of an intrauterine contraceptive device (IUCD) ( 6 , 7 ) . The main sonographic finding of endometrial osseous metaplasia is the presence of a strongly echogenic endometrial plate with posterior acoustic shadowing, assuming the presence of an IUD as main differential diagnosis. Other possible diagnoses include: presence of foreign bodies, Asherman's syndrome, calcified submucosal fibrosis and Müllerian tumor ( 2 , 5 , 6 ) . However, the suspicion of endometrial osseous metaplasia should be taken into consideration by the sonographist in cases where strongly echogenic endometrial plates are detected in patients with history of miscarriage and chronic endometriosis. In the presently reported case, the correlation between transvaginal US and pelvic radiography has allowed for the diagnosis of endometrial calcification. The previous history of miscarriage with curettage has corroborated the hypothesis of calcification corresponding to osseous metaplasia induced by chronic endometritis, which later was confirmed by histopathological analysis of bone fragments collected by means of hysteroscopy. Transvaginal US is the best imaging method in such cases, since hysterosalpingography and magnetic resonance imaging may miss the findings. In such cases, the investigator must describe the location and the dimensions of the echogenic plate, rule out the presence of an IUCD, and reinforce the history of miscarriage with chronic endometritis, corroborating the hypothesis of metaplastic endometrial ossification. Such informations are important for the hysterocopist who will make the resection of the osseous plate with subsequent histopathological analysis. The treatment for this condition should be performed by means of hysteroscopic removal of osseous fragments to be submitted to histopathological analysis or, as a second option by uterine curettage ( 8 ) . In the present case, the first alternative was adopted and the patient had her fertility restored and her menstrual flow reduced. REFERENCES 1 Parente RCM, Freitas V, Moura Neto RS, et al. Metaplasia óssea endometrial: quadro clínico e seguimento após tratamento. Rev Bras Ginecol Obstet. 2010;32:33-8. 2 Shalev J, Meizner I, Bar-Hava I, et al. Predictive value of transvaginal sonography performed before routine diagnostic hysteroscopy for evaluation of infertility. Fertil Steril. 2000;73:412-7. 3 Shroff CP, Kudterkar NG, Badhwar VR. Endometrial ossification - report of three cases with literature review. Indian J Pathol Microbiol. 1985; 28:71-4. 4 Pinto AP, Guedes GB, Tuon FFB. Metaplasia óssea do endométrio: relato de caso. J Bras Patol Med Lab. 2005;41:287-9. 5 Umashankar T, Patted S, Handigund R. Endometrial osseous metaplasia: clinicopathological study of a case and literature review. J Hum Reprod Sci. 2010;3:102-4. 6 Basu M, Mammen C, Owen E. Bony fragments in the uterus: an association with secondary subfertility. Ultrasound Obstet Gynecol. 2003;22: 402–6. 7 Onderoglu LS, Yarali H, Gultekin M, et al. Endometrial osseous metaplasia; an evolving cause of secondary infertility. Fertil Steril. 2008;90:2013.e9–11. 8 Cayuela E, Perez-Medina T, Vilanova J, et al. True osseous metaplasia of the endometrium: the bone is not from a fetus. Fertil Steril. 2009;91: 1293.e1–4. Publication Dates Publication in this collection Jan-Feb 2016 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. Authorship .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 Luiz Felipe Alves Guerra school Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. person Laís Bastos Pessanha school Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. person Gabriel Antonio de Oliveira school Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. person Adriana Maria Fonseca de Melo school Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. person Flavia Silva Braga school Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. person Rodrigo Stênio Moll de Souza school Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Mailing Address: Dr. Luiz Felipe Alves Guerra. Avenida Marechal Campos, 1468, Maruípe. Vitória, ES, Brazil, 29043-900. E-mail: [email protected] . SCIMAGO INSTITUTIONS RANKINGS Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Universidade Federal do Espírito Santo Brazil Vitória, ES, Brazil Universidade Federal do Espírito Santo (UFES), Vitória, ES, Brazil. Figures Figures (2) Thumbnail Figure 1 A,B: Transvaginal ultrasonography demonstrating hyperechoic image with posterior acoustic shadowing in the endometrium, compatible with calcification. C: Hip radiography, oblique view showing an image with calcific density corresponding to the one found at ultrasonography, strengthening the suggested hypothesis. Thumbnail Figure 2 Photomicrography with low and medium magnification showing osseous trabeculae intermingled with endometrial tissue. Observe the endometrial glands at the lower right corner. Hematoxylin-eosin staining. image Figure 1 A,B: Transvaginal ultrasonography demonstrating hyperechoic image with posterior acoustic shadowing in the endometrium, compatible with calcification. C: Hip radiography, oblique view showing an image with calcific density corresponding to the one found at ultrasonography, strengthening the suggested hypothesis. open_in_new image Figure 2 Photomicrography with low and medium magnification showing osseous trabeculae intermingled with endometrial tissue. Observe the endometrial glands at the lower right corner. Hematoxylin-eosin staining. open_in_new 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 = 'Guerra, Luiz Felipe Alves et al. Endometrial osseous metaplasia: sonographic, radiological and histopathological findings. Radiologia Brasileira [online]. 2016, v. 49, n. 1 [Accessed CURRENTDATE], pp. 62-63. Available from: . 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