An imaging technique using x-ray technology and computerization to create a three-dimentional image of a body part. Also called a CT scan, it can be used to locate a blood clot blood clot: A mass of blood that forms when platelets stick together. Harmful blood clots are more likely to happen in PNH. The term thrombus describes a blood clot that develops and attaches to a blood vessel. The term embolus describes a blood clot or other foreign matter that gets into the bloodstream and… in the body.
