{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,27]],"date-time":"2025-08-27T20:10:18Z","timestamp":1756325418962,"version":"3.44.0"},"reference-count":16,"publisher":"BMJ","issue":"12","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2023,11,15]]},"published-print":{"date-parts":[[2023,12]]},"abstract":"<jats:p>Ovarian vein thrombosis (OVT) is a rare thromboembolic condition largely involving the right ovarian vein. Risk factors include pregnancy\/ peripartum period, oestrogen therapy, recent surgery or hospitalisation, malignancy, pelvic inflammatory diseases, and thrombophilia; OVT without risk factors is considered idiopathic. We present a rare case of idiopathic <jats:italic>left<\/jats:italic>-sided OVT in a post-menopausal woman in her 60s with insignificant past medical history and no identifiable risk factors. She presented with isolated left -lower -quadrant abdominal pain ultimately found to have OVT on computed tomography (CT) scan and confirmed with magnetic resonance imaging (MRI). The patient was initially treated with low-molecular-weight heparin and then transitioned to apixaban. She remained symptom-free at 3-month follow-up. Five previous cases of idiopathic left-sided OVT have been reported to-date, but this is the first case in a postmenopausal woman that has not been associated with hypercoagulable risk factors nor further thromboembolic complications.<\/jats:p>","DOI":"10.1136\/bcr-2023-257856","type":"journal-article","created":{"date-parts":[[2023,12,7]],"date-time":"2023-12-07T19:16:59Z","timestamp":1701976619000},"page":"e257856","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Idiopathic left-sided ovarian vein thrombosis in a post-menopausal woman"],"prefix":"10.1136","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-9142-7242","authenticated-orcid":false,"given":"Simon","family":"Zhen","sequence":"first","affiliation":[{"name":"Medicine, Albert Einstein College of Medicine, Bronx, New York, USA"},{"name":"Montefiore Medical Center, Bronx, New York, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Afek","family":"Kodesh","sequence":"additional","affiliation":[{"name":"Montefiore Medical Center, Bronx, New York, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William","family":"Preston","sequence":"additional","affiliation":[{"name":"Montefiore Medical Center, Bronx, New York, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2023,12,7]]},"reference":[{"key":"2025082712330558000_16.12.e257856.1","doi-asserted-by":"publisher","DOI":"10.1055\/a-1306-4327"},{"key":"2025082712330558000_16.12.e257856.2","doi-asserted-by":"publisher","DOI":"10.1182\/bloodadvances.2017006577"},{"key":"2025082712330558000_16.12.e257856.3","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1097\/00006254-199107000-00002","article-title":"Postpartum ovarian vein thrombophlebitis","volume":"46","author":"Dunnihoo","year":"1991","journal-title":"Obstetrical & Gynecological Survey"},{"key":"2025082712330558000_16.12.e257856.4","doi-asserted-by":"publisher","DOI":"10.1007\/s002619900448"},{"key":"2025082712330558000_16.12.e257856.5","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1160\/TH06-03-0151","article-title":"Ovarian vein thrombosis: incidence of recurrent venous thromboembolism and survival","volume":"96","author":"Wysokinska","year":"2006","journal-title":"Thromb Haemost"},{"key":"2025082712330558000_16.12.e257856.6","doi-asserted-by":"crossref","unstructured":"Ferguson SM , Arbona D , Furiato A . 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Cureus July 30, 2021. doi:10.7759\/cureus.16756","DOI":"10.7759\/cureus.16756"},{"key":"2025082712330558000_16.12.e257856.8","doi-asserted-by":"crossref","first-page":"268","DOI":"10.4293\/108680811X13071180406673","article-title":"Postpartum ovarian vein thrombosis","volume":"15","author":"Basili","year":"2011","journal-title":"JSLS"},{"key":"2025082712330558000_16.12.e257856.9","doi-asserted-by":"crossref","first-page":"1468","DOI":"10.1097\/AOG.0000000000000648","article-title":"Idiopathic ovarian vein thrombosis in a nonperipartum patient","volume":"125","author":"Doherty","year":"2015","journal-title":"Obstetrics & Gynecology"},{"key":"2025082712330558000_16.12.e257856.10","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1016\/j.ijscr.2019.04.039","article-title":"The challenges of diagnosing idiopathic ovarian vein thrombosis: case report","volume":"60","author":"Alalqam","year":"2019","journal-title":"Int J Surg Case Rep"},{"key":"2025082712330558000_16.12.e257856.11","doi-asserted-by":"crossref","unstructured":"Trang N , Kalluri M , Bajaj T , et al . Idiopathic left ovarian vein thrombosis. J Investig Med High Impact Case Rep 2020;8. doi:10.1177\/2324709620947257","DOI":"10.1177\/2324709620947257"},{"key":"2025082712330558000_16.12.e257856.12","doi-asserted-by":"crossref","DOI":"10.1002\/rcr2.795","article-title":"Fatal pulmonary thromboembolism caused by idiopathic ovarian vein thrombosis","volume":"9","author":"Ogiwara","year":"2021","journal-title":"Respirol Case Rep"},{"key":"2025082712330558000_16.12.e257856.13","doi-asserted-by":"crossref","unstructured":"Markus J , van der Weiden RMF . Laparoscopic diagnosis of idiopathic left ovarian vein thrombosis in a 27-year-old woman. 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