A, CT scan in a patient with metastasis involving the T7 vertebral body (asterisk).
B, Selective angiogram of the right 7th intercostal artery with a 5F Cobra-shaped catheter shows a hypervascular mass (arrows) and no arterial supply to the spinal cord.
C, Injection after further selective catheterization with a 3F Tracker catheter (solid arrow indicates catheter tip), protective embolization of intercostal artery distal to the tumor feeders with a platinum coil (open arrow), and embolization with PVA particles. No tumor blush is identified. A coil (arrowhead) is seen in the 6th right intercostal artery after previous embolization