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Duplex of left mid-subclavian artery in giant cell arteritis
Duplex of left mid-subclavian artery in giant cell arteritis
Halo sign at the mid-subclavian artery in a patient with biopsy-proven GCA, indicating large vessel involvement.
GCA: giant cell arteritis, also known as Horton disease, cranial arteritis, and temporal arteritis.
Courtesy of William Docken, MD.
Graphic 109704 Version 3.0
