Idiopathic thyrocervical trunk aneurysm managed with endovascular coiling.

Thyrocervical trunk aneurysms are rare and often associated with trauma or underlying conditions such as neurofibromatosis type 1.

• The reported case was idiopathic, meaning no underlying cause or associated condition was identified.
• No established management guidelines exist for this type of aneurysm.
• Practice variation exists, with some clinicians performing open ligation and repair and others performing endovascular coiling.

The idiopathic thyrocervical trunk aneurysm presented clinically as a painful right-sided pulsatile neck mass.

• Initial diagnosis was made via ultrasonography.
• Diagnosis was subsequently confirmed with CT angiography.
• The aneurysm was located in the right thyrocervical trunk.

The patient was successfully managed with endovascular coil embolisation of the inflow and outflow tracts of the aneurysm.

• Access was obtained via the right radial artery.
• Coil embolisation targeted both the inflow and outflow tracts of the aneurysm.
• The patient was discharged on post-operative day 1.
• Symptoms resolved following the procedure.