PMC9092963_01
(A) Right neck mass. (B) Ultrasound image of the pseudoaneurysm neck. (C) Ultrasound image of the pseudoaneurysm sac. (D) Ultrasound image demonstrating no residual flow into sac or neck post-thrombin injection. IJV = internal jugular vein.
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His symptoms of heart failure improved significantly after the intervention; however, he re-presented to hospital 10 days after discharge with a painful, pulsatile swelling of the right neck (Fig. 1A). Ultrasound (US) demonstrated a right common carotid artery pseudoaneurysm with a long neck and a sac that measured 1 x 2cm (Fig. 1B and C). After administration of 600 units of thrombin complete uncomplicated defect thrombosis was achieved (Fig. 1D).