CT scan Arthrography :

Arthrogram is an X-ray image or picture of the inside of a joint (e.g. shoulder, knee, wrist, ankle) after a contrast medium (sometimes referred to as a contrast agent or "dye" is injected into the joint. An arthrogram provides a clear image of the soft tissue in the joint (e.g. ligaments and cartilage) so that a more accurate diagnosis about an injury or cause of a symptom, such as joint pain or swelling, can be made.

An arthrogram may also use fluoroscopy, CT (computerized tomography), or MRI (magnetic resonance imaging) instead of X-rays to get better pictures of the joint. While a plain MRI or CT can provide some information of the soft tissue structures, an arthrogram can
sometimes provide much more detailed information about what is wrong within the joint. Improvements in technology a imaging equipment mean that the use of arthrograms is becoming less common.

  • To know problems such as tears in the soft tissues of the joint.
  • These tissues include ligaments, tendons, cartilage, and joint capsules.
  • To check for damage from repeated dislocations of the joint
  • To check prosthetic joints
  • To look for synovial or cartilage problems
  • To look for an abnormal pathway called a sinus tract that may form after infection
  • To look for loose bodies

There are many other individual situations where your referring doctor may feel that the additional information obtained by an
arthrogram could help to determine the best course of treatment.