PMC4886694_01
Lumen narrowing.
cmamd-9-2016-103f1.jpg
PMC4886694_01_cmamd-9-2016-103f1.jpg
f1-cmamd-9-2016-103
The vascular surgical team then performed a biopsy on the left temporal artery with histopathology consistent with GCA (Figs. 1-3).
Chronic transmural inflammation.
cmamd-9-2016-103f2.jpg
PMC4886694_01_cmamd-9-2016-103f2.jpg
f2-cmamd-9-2016-103
The vascular surgical team then performed a biopsy on the left temporal artery with histopathology consistent with GCA (Figs. 1-3).
Mural necrosis.
cmamd-9-2016-103f3.jpg
PMC4886694_01_cmamd-9-2016-103f3.jpg
f3-cmamd-9-2016-103
The vascular surgical team then performed a biopsy on the left temporal artery with histopathology consistent with GCA (Figs. 1-3).
Increasing metabolic activity in left vertebral artery.
cmamd-9-2016-103f4.jpg
PMC4886694_01_cmamd-9-2016-103f4.jpg
f4-cmamd-9-2016-103
Multifocal regions of increased arterial uptake were also observed in keeping with inflammation (Figs. 4 and 5).
Both common carotid arteries showing increased metabolic uptake.
cmamd-9-2016-103f5.jpg
PMC4886694_01_cmamd-9-2016-103f5.jpg
f5-cmamd-9-2016-103
Multifocal regions of increased arterial uptake were also observed in keeping with inflammation (Figs. 4 and 5).
(A,B) Digital subtraction angiography demonstrates bilateral (right: a, left: b) severe extracranial vertebral artery stenosis, worse on the left.a.
cmamd-9-2016-103f6.jpg
PMC4886694_01_cmamd-9-2016-103f6.jpg
f6-cmamd-9-2016-103
CT cerebral angiogram revealed short segments of symmetrical irregular luminal narrowing to 1 mm, involving bilateral distal vertebral arteries as they curve posteriorly to the lateral masses of C1 (Fig. 6A, 6B).