MASSON TUMOR IN THE LEFT ATRIAL APPENDAGE (LAA) PRESENTING AS CARDIOEMBOLIC CEREBRAL INFARCTION

Intravascular papillary endothelial hyperplasia, also known as Masson tumor, is a rare vascular growth that usually manifests on the skin. It is extremely rare for it to be located in left atrial appendage (LAA). LAA is a common site for thrombi due to its complex anatomic, histologic and functional