PMID: 29782786Sep 1, 2016Paper

Superior Sagittal Sinus Thrombosis Related to the Use of Tamoxifen: A Case Report and Review of Literature

Connecticut Medicine
Lisa Phuong, Alexei Shimanovsky

Abstract

Tamoxifen is a selective estrogen- receptor modulator commonly associated with an increased risk of thrombotic events, including cere- bral venous thrombosis. Ihe superior sagittal sinus appears to be the most affected site of cerebral venous thrombosis in patients with a history of malignancy. However, the underlying mechanism of tamoxifen- induced hypercoagulability and location of cerebral venous thrombosis are notwellunderstood. Here, we present a case of a 47-year-old female with a history of breast cancer, on tamoxifen for 10 months, found to have superior sagittal sinus thrombosis with additional thrombosis of the draining cortical veins. Furthermore, we review similar cases published in literature. We recommend that physicians should be aware ofthe potential of developing superior sagittal sinus thrombosis in patients who take tamoxifen and warn patients of this adverse event when prescribing the medication.

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