{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T09:32:27Z","timestamp":1773480747441,"version":"3.50.1"},"reference-count":23,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Reports"],"abstract":"<jats:p>Background and Clinical Significance: Uterine arteriovenous malformation (AVM) is a rare but potentially life-threatening condition due to the risk of severe acute hemorrhage. Unlike AVMs in other anatomical locations, which are predominantly congenital, uterine AVMs are often acquired, typically developing after uterine procedures such as dilatation and curettage (D&amp;C), cesarean section, or pregnancy-related events. Women commonly present with abnormal bleeding disorders. Case Presentation: We are presenting the case of a 41-year-old Caucasian woman with secondary amenorrhea three months after vacuum curettage in the 7th week of pregnancy. Based on her clinical history and the findings on transvaginal sonography (TVS), uterine AVM was highly suspected. Contrast-enhanced magnetic resonance imaging (MRI) confirmed the diagnosis. The patient underwent successful embolization of the left uterine artery. Follow-up examinations demonstrated complete resolution of the vascular malformation, and regular menstrual cycles resumed during her recovery. With the increasing frequency of uterine surgical interventions, the incidence of uterine AVMs is also expected to rise. The clinical impact is significant when fertility preservation and family planning are still ongoing. To the best of our knowledge, this is the first reported case in which amenorrhea is the primary presenting symptom of a uterine AVM. Conclusions: Given the high risk of life-threatening hemorrhage associated with undetected or incorrectly treated AVMs, their presence must always be carefully ruled out in case of bleeding disorders after pregnancy or uterine surgery. Accurate diagnosis prior to any further intrauterine interventions, such as curettage, is crucial to prevent severe complications and ensure appropriate management. In order to avoid life-threatening complications, the possibility of uterine AVM should be considered in the differential diagnosis even in the presence of amenorrhea. The proposed diagnosis and treatment algorithm for uterine AVMs can help avoid misdiagnosis.<\/jats:p>","DOI":"10.3390\/reports8030161","type":"journal-article","created":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T08:28:15Z","timestamp":1756715295000},"page":"161","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Uterine Arteriovenous Malformation Presenting with Amenorrhea\u2014A Rare Case Report and Literature Review"],"prefix":"10.3390","volume":"8","author":[{"given":"Hanna","family":"Gruber","sequence":"first","affiliation":[{"name":"Department of Gynecology and Reproductive Medicine, University Hospital Jena, 07745 Jena, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dirk O.","family":"Bauerschlag","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Reproductive Medicine, University Hospital Jena, 07745 Jena, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6717-2155","authenticated-orcid":false,"given":"Chie-Hee","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Diagnostic and Interventional Radiology, University Hospital Jena, 07745 Jena, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aim\u00e9e B.","family":"Herzog","sequence":"additional","affiliation":[{"name":"Department of Diagnostic and Interventional Radiology, University Hospital Jena, 07745 Jena, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7194-6034","authenticated-orcid":false,"given":"Ibrahim","family":"Alkatout","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics, University Hospitals Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melanie","family":"Schubert","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Reproductive Medicine, University Hospital Jena, 07745 Jena, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,9,1]]},"reference":[{"key":"ref_1","unstructured":"Spetzler, R.F., Moon, K., and Almefty, R.O. 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