Sonographic halo sign (disambiguation)
{"favouriteUrl":"/articles/sonographic-halo-sign-disambiguation/add_favourite?lang=us","favouriteId":17466,"favouriteKind":"article","loginUrl":"/sessions/new?lang=us\u0026return_to=%2Farticles%2Fsonographic-halo-sign-disambiguation%3Flang%3Dus","unfavouriteUrl":"/articles/sonographic-halo-sign-disambiguation/remove_favourite?lang=us"}
{"favouriteUrl":"/articles/sonographic-halo-sign-disambiguation/add_favourite?lang=us","favouriteId":17466,"favouriteKind":"article","loginUrl":"/sessions/new?lang=us\u0026return_to=%2Farticles%2Fsonographic-halo-sign-disambiguation%3Flang%3Dus","unfavouriteUrl":"/articles/sonographic-halo-sign-disambiguation/remove_favourite?lang=us"}
Sonographic halo sign can be useful in a number of situations:
hypoechoic halo sign (also known as target or bull's eye sign) in liver metastases: used in hepatobiliary imaging, is a concerning feature for malignant lesion if the lesion is a hyperechoic liver lesion 1,2
ultrasound halo in angiolymphoid hyperplasia with eosinophilia (ALHE): used when interpreting the temporal artery 3
-
periluminal hypoechogenic halo in giant cell arteritis (temporal arteritis): used when interpreting the superficial temporal artery, reflective of arterial wall edema 4
the same sign has also been described in interpreting other affected arteries in giant cell arteritis, e.g. vertebral artery 5 or axillary artery 6
Unable to process the form. Check for errors and try again.