Key result
Mechanical thrombectomy successfully retrieves invasive extracardiac tumor fragments causing recurrent same-day large-vessel occlusions.
Why the study?
Cerebral embolism from intracardiac tumors is a rare cause of stroke with limited histological confirmation, especially from invasive extracardiac tumors.
Case Report (n=1)
Answers are grounded in this paper and cite their sources.
Raises possibility of tumor embolism in recurrent large-vessel occlusions; hypothesis-generating and should not yet change practice.
Cerebral embolism originating from intracardiac tumors represents a rare cause of stroke and has been documented in both adult and pediatric populations. We present a patient recently diagnosed with a right pulmonary hilum tumor, invading the pulmonary veins and the left atrium. Two consecutive episodes of large cerebral vessel occlusion in separate vascular territories occurred in the same day and were treated by mechanical thrombectomy. Embolic material retrieved on both occasions contained tumor fragments with peripheral endothelialization. To our knowledge, this is the first report with histological confirmation of cerebral embolism from an invasive extracardiac tumor.
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Pop et al. (2017) conducted a case report in Cerebral embolism from a right pulmonary hilum tumor (n=1). Mechanical thrombectomy was evaluated. Mechanical thrombectomy retrieved embolic material containing tumor fragments from an invasive extracardiac tumor in a patient with two consecutive large cerebral vessel occlusions in the same day.
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