MRI scans revealed a large, contrast-enhancing cystic lesion. Intraoperative examination identified an angiomatous nodule within the cyst wall, later confirmed to be the source of ongoing hemorrhage.
BEIJING, CHINA, January 9, 2026 /EINPresswire.com/ — Arteriovenous malformation (AVM) is a vascular disorder in which blood vessels are abnormally formed, causing ...
(MENAFN- EIN Presswire) EINPresswire/ -- Arteriovenous malformation (AVM) is a vascular disorder in which blood vessels are abnormally formed, causing blood to bypass the usual network of capillaries ...