AB0473 “HALO SIGN” IN ULTRASOUND OF TEMPORAL, FACIAL AND AXILLARY ARTERIES: ASSOCIATIONS WITH CLINICAL SYMPTOMATOLOGY AND LABORATORY FINDINGS

Abstract

Background:Giant cell arteritis (GCA) has two subtypes, the cranial form (“cranial GCA”) and the large-vessel form (“LV-GCA”). GCA can present with “cranial” symptoms (headache, visual symptoms, jaw claudication, scalp tenderness),...