Not a Temporary embolization agent is
a) Collagen
b) Gel foam
c) Thrombin
d) Onyx
Ans: D Reference: Interventional Radiology Journal, Internet Explanation:
• Embolization is an intentional endovascular occlusion of either an artery or vein and it is an interventional radiological procedure. • There are several agents discovered and each has its own merits and limitations based on the nature of the agent, and the need for occlusion. • General categorization of embolic agents are
• Temporary embolization agents are used only for temporary occlusion of bleeding vessels which allows recanalization in weeks, so not used in fistulas or tumors. They are used in traumatic parenchymal bleeds from liver or spleen • Permanent embolization agents are commonly used. Uses are • Mechanical embolic agents like Coils and plugs used for focal vascular abnormalities like traumatic bleeds or aneurysms • Flow directed embolic agents are Liquid agents, Particulate agents which are used in AV malformations, tumors etc