ArticleTexas Heart Institute journal2022
Right Atrial Thrombus Mimicking a Myxoma: Synergism of Hormonal Contraceptives and Antiphospholipid Antibodies.
Article in Texas Heart Institute journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 5 citations in OpenAlex.
- Right atrial thrombus mimicking cardiac myxoma: surgical and postoperative management.Journal of cardiothoracic surgery · 2025Article
- Intraoperative detection of a right atrial mass during holmium: YAG laser lithotripsy: A fatal and rare complication: A case report.Medicine · 2025Article
- A case report of a spherical mass in the right atrium: myxoma or thrombus?Frontiers in oncology · 2025Article
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5 authors at 1 institution in 1 country.
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Abstract
Cardiac thrombus, the most common intracardiac mass, is typically seen in the left side of the heart in the presence of atrial fibrillation, mitral stenosis, or impaired global wall motion. Right atrial thrombus, which is rarer, is usually associated with central venous catheter placement or pulmonary embolism. We present the case of a 24-year-old woman with a history of mitral valve prolapse who presented with fatigue and palpitations. Echocardiograms and cardiac magnetic resonance images revealed a right atrial mass compatible with a myxoma. However, after surgical excision of this and a second mass discovered intraoperatively, pathologic evaluation confirmed organized thrombus rather than myxoma. The patient's only risk factor was her use of oral contraceptive pills. Test results for hypercoagulable disorders revealed the presence of antiphosphatidylserine, an uncommon antiphospholipid antibody. The patient stopped taking the contraceptive. This case suggests the need to examine further the role of antiphosphatidylserine antibodies in the diagnosis of antiphospholipid syndrome.
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