Hypodense middle cerebral artery with fat embolus.
A 44-year-old man developed a right middle cerebral artery territory stroke due to a large fat embolism after an aortic valve repair. We briefly review the phenomenon of fat embolism and discuss the salient radiographic (CT) finding in this case--a "hypodense artery sign."
Abend
Nicholas S
NS
Division of Neurology, The Children's Hospital of Philadelphia, and Department of Neurology, Hospital of the University of Philadelphia, PA 19104, USA.
Levine
Joshua M
JM
D000328:Adult; D001021:Aortic Valve / Q000601:surgery*; D004620:Embolism, Fat / Q000000981:diagnostic imaging* / Q000209:etiology*; D006801:Humans; D020244:Infarction, Middle Cerebral Artery / Q000000981:diagnostic imaging* / Q000209:etiology*; D008297:Male; D011183:Postoperative Complications; D014057:Tomography, X-Ray Computed