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CT AthrogramAn Arthrogram is a diagnostic study of the joint structures within the body by injection of x-ray contrast (dye). As the dye disperses, the radiologist documents whether the dye is contained or is leaking, which indicates the stability and integrity of the joint and reveals cartilage tears and other injuries. An arthrogram is sometimes performed as a sole diagnostic test. If the site and nature of the injury are clearly apparent, the diagnostic process may stop here. In other cases, arthrography can be the first phase of a diagnostic process that also includes CT or MRI scans.
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