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Bone Bruises

Bone Bruise MRI
Bone bruises are often the first, middle, or last step in the development of arthritis. The old thinking was to just let them heal. The new thinking tells us to treat both the bruise and the cause of it before it gets worse. Here is how.

What’s Hot & What’s Not in Knee Surgery: A Few of the Highlights

What’s Hot & What’s Not in Knee Surgery: A Few of the Highlights The Stone Clinic
Stem cells are both in and out. It was once thought that if these cells were injected into joints, they would turn into cartilage. Two problems arose. First, patients (unless they are infants) have very few stem cells left. Second, the injected cells died after releasing their instructional growth factors, never turning into cartilage. But what we have learned is that an increasing number of concentrated growth factors, immune stimulants, and even some drugs can induce the migration of the body’s own progenitor cells—some of them stem cells—cells that direct healing—to the injured area. These cells then optimize the environment around the injury to effect healing.

The Incision Decision

The Incision Decision The Stone Clinic
To cut, or not to cut? To repair, or to let heal? To rehab without fixing? To live with imperfect parts? Each of these questions is faced every day by surgeons and their patients. Here are a few decisions about incisions.

Repair of Segmental Meniscal Defects

Repair of Segmental Meniscal Defects The Stone Clinic
The meniscus can be compared to a gasket in a hose: If it is cut, water leaks out.

3D Printing: Cool, But Not Quite There

3D Printing: Cool, But Not Quite There
3D printing is one of today’s most talked-about technologies. But it still has a long way to go before it can transform orthopedic surgery.

Military Knees

Military Knees
Standardized care is not always the best care. What we really need is an agile medical system that values innovation.

The CMI: What it Means to All of Us

The CMI: What it Means to All of Us
The re-introduction of the collagen meniscus implant (CMI), unavailable in the U.S. for more than five years, will mean an improved quality of life for thousands of Americans.

Regrowing your knee

Collegen Meniscus Implant
How a biological device can act as a trellis for new meniscus tissue to grow into, reconstructing missing segments of the meniscus shape.

Cartilage Repair: Is it possible? Update from the Orthopedic Research Society symposium

Orthopedic Research Society Dr. Kevin Stone
As a part of this year’s ORS meeting, Dr. Kevin R. Stone was honored to join Dr. Gordana Vunjak-Novakovic as an invited speaker in a special translational research symposium session entitled “Cartilage Repair: Is it possible?

Failure is a great option

Don't be afraid to fail
“Failure is not an option" people sometimes say. Really? Why not? I certainly have failed far more often than I have succeeded when I sought to do novel risky business adventures and/or create new products.

Missing a meniscus? No need to miss out on an active life.

Study shows meniscus transplants can get athletes back to sport
Don’t give up on your knee. Even if you had your meniscus cartilage removed, even if you have developed osteoarthritis and can barely walk without pain, there is still a chance that your knee can be restored. This study confirms how.

No meniscus surgical procedure should ever be standard

Meniscus surgery should never be standard
When I hear a patient say, “The doctor told me it is a standard procedure,” I often think that means there isn’t much thought being put into it. Each knee is different. Each torn meniscus cartilage is different.

Why surgically fix a torn meniscus?

Fix a meniscus to avoid arthritis
A recent study suggested that meniscus surgery doesn't help. Studies can be misleading. Even small losses of meniscus tissue lead to big changes in force concentration on the tibia (shin bone) and eventually arthritis.

Why fix or replace a meniscus?

Why fix or replace a meniscus?
Losing a meniscus is tough on the body. Without a meniscus, the covering of each of the bones, called the articular cartilage, rub up against one another, which leads to pain and, eventually arthritis. Patients often ask me "Isn't there a shock absorber you can put back into the knee joint?"

Biology trumps bionics: An alternative to total knee replacement

alternative to a knee replacement-avoid-a-knee-replacement-bioknee
We like to do everything possible to rebuild the knee joint with biologic tissues rather than artificial materials to help delay the time in which an artificial joint replacement is necessary.
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