American Academy of Orthopaedic Surgeons

Tenosynovial Giant Cell Tumor: A New Name and a New Treatment Option for PVNS and GCTTS

Adam S. Levin, MD, FAAOS

Historically, orthopaedic surgeons specializing in sports medicine, adult reconstruction, hand surgery, or foot and ankle surgery have had variable experiences with giant cell tumors of tendon sheath (GCTTS) or pigmented villonodular synovitis (PVNS) (nodular or diffuse).

Ten-year Follow-up of Adolescent Idiopathic Scoliosis Patients Confirms Benefits of Surgery

Terry Stanton

The largest study of its kind for adolescent idiopathic scoliosis (AIS), with at least 10-year follow-up of complications and reoperations following spinal fusion for AIS, found an overall complication rate of 12.0 percent and reoperation rate of 6.7 percent in the patients followed.

Custom Implants Benefit from New 3D Printing Techniques

Samuel Adams, MD, FAAOS

3D printing has given us the ability to create anatomic models; patient-specific instrumentation; and implants ranging from complex, noncustom, “off-theshelf” devices to truly custom implants.

A Call to Action: High-quality Research Needed

Jonathan Godin, MD, MBA, FAAOS; Jorge Chahla, MD, PhD; Eric Stiefel, MD, FAAOS; Louis McIntyre, MD, FAAOS

One way that AAOS and specialty society members can serve as advocates for our patients and profession is through participation in high-quality clinical research studies. This article is a plea for surgeons to perform these necessary studies going forward.

Secondary Fracture Prevention: Multistakeholder Coalition Shares Recommendations

Paul A. Anderson, MD, FAAOS

A major risk factor for sustaining a fragility fracture is having had a previous fragility fracture. The relative risk increases two to 2.5 times depending on the site of an initial fracture.

AAOS Registry Program Looks Back at Another Year of Progress