Presentation
The patient has internal carotid arteries stenosis detected on ultrasound. Routine CTA with a 20G “IV” cannula placement in the right antecubital fossa was done.
Patient Data
Mixed arterial and venous phase. Enhancement of the right axillary artery, subclavian artery, brachiocephalic trunk, vertebral artery, basilar artery, both posterior cerebral arteries and their branches (partial on the left side). Enhancement of the right middle cerebral artery territory and visible contrast agent in the right carotid arteries. Aorta is free of contrast due to high blood pressure.
Case Discussion
A case of carotid CTA with an unintended intra-arterial injection of contrast due to intra-arterial placement of an intravenous cannula, which results in a selective right vertebral and carotid arteries CTA. The patient was feeling well and the procedure was repeated the next day.
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