Presentation
History of injury of right side of the neck with glass 20-days back. Subsequent surgery with development of neck swelling.
Patient Data
There is a large heterogeneous lesion in the midline infra high neck measuring about 10.5 x 6.4 x 8.8 cm. Posteriorly the lesion is compressing the abutting thyroid gland and proximal trachea.
After IV contrast injection there is evidence of a defect in the proximal part of the right common carotid artery which extends to a vascular suck at the right side thoracic inlet at the right paratracheal region (3 x 3 x 1.5 cm) and subsequently to the center of the above-mentioned lesion (pseudo aneurysmal cavity).
The neck of the large pseudo aneurysmal cavity is measured 6 mm.
Rest of the cervical vessels are unremarkable.
Case Discussion
The features are representing the right carotid artery large partially thrombosed bi-luminal pseudo aneurysm.