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Monday, August 17, 2009

Arthroscopy of the Knee

By Dr. Richard Edelson

Arthro is joint in Latin. Scopy is view. Arthroscopy is literally to view a joint. The use of arthroscopy allows an orthopedic surgeon to look inside a joint and see what needs to be done. Arthroscopy is very useful in the diagnosis and treatment of problems with the knees.

Modern arthroscopes and high resolution cameras make arthroscopy a very effective procedure for accurate diagnosis and correct treatment of knee disorders.

The Parts of the Knee

The femur, tibia, and patella are the three bones that comprise the knee. The point at which these bones meet is cushioned with articular cartilage. This lets them move with comfort and ease.

Synovial membrane is a thin, smooth membrane that coats the interior surfaces of the knee. In a healthy knee, the synovial membrane produces a lubricant that allows the knee to function comfortably and smoothly.

The three bones that make up the largest joint in the body are the shin bone (tibia), thigh bone (femur) and knee cap (patella). The entire structure is held together by ligaments that run between the tibia and femur. The patella moves along a groove in the end of the femur. The strong muscle of the thigh provides support and stability.

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Knee Difficulties

When everything is functioning properly, the parts of the knee work together smoothly. However, the knee gets a lot of use, and everyday wear and tear can cause problems. Sports, work, injury, weakened tissues, arthritis, and aging all take a toll on the knee. Over the course of time, these things can cause a lot of pain and reduce the ability of the knee to do its job.

With arthroscopy, a number of conditions can be diagnosed and treated:

Chondromalacia: Softened articular cartilage and/or damaged joint surfaces.

Crystalline arthropathy, is characterized by gouty arthritis, rheumatoid arthritis and/or inflamed synovial membranes.

The patella or kneecap can become unstable or misaligned.

Arthroscopy can locate these problems.

Meniscal cartilage can become torn.

Bone and cartilage can become fragmented and loose.

Posterior and anterior damaged cruciate ligaments can be diagnosed.

With arthroscopy, all of these problems can be clearly seen and diagnosed. Arthroscopy is an extremely helpful tool to the orthopedic surgeon. It makes diagnosis much easier and more definite, thereby making treatment more efficient and effective. - 17268

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