A 59-year-old woman was admitted to our hospital because of repeated episodes of bilateral hand weakness. She had a 10-year history of combined estrogen-progestin therapy for menopausal symptoms. Magnetic resonance imaging on admission showed multiple hyperintense lesions in bilateral cerebral and cerebellar cortices on diffusion-weighted imaging. Transesophageal echocardiography showed thrombus formation on the aortic valve and moderate aortic insufficiency. Laboratory test demonstrated elevated CA125 (334.8 U/mL) and D-dimer (7.0 µg/mL) levels. Trousseau's syndrome (cancer-related hypercoagulation) was considered, but various examinations showed only uterine adenomyosis and no evidence of cancer. Multiple cerebral infarctions were considered to be caused by Trousseau's syndrome-like condition associated with uterine adenomyosis. CA125 and coagulation markers should be measured in adenomyosis patients treated with hormone replacement therapy, because a mucinous tumor and coagulation markers may be good markers for the risk of thromboembolism in such patients.
Keywords: Ischemic stroke; adenomyosis; hormone replacement therapy; hypercoagulability; nonbacterial thrombotic endocarditis.
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