Specialists

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Hemophilia

Basics Description This disorder of clotting factor results in easy bleeding. Secondary effects may occur in any system (most importantly brain, joint, muscle, and nerve) secondary to bleeding. Depending on its severity, it usually is diagnosed in early childhood. Classification: Severe: <1% clotting factor activity Moderate: 1-5% clotting factor activity Mild: >5% clotting factor […]

Giant Cell Tumor

Basics Description A benign but often locally aggressive neoplasm, characterized by large numbers of uniformly distributed, osteoclastlike giant cells and a background population of plump, epithelioid-to-spindle mononuclear cells. The vast majority of these tumors are located near the articular end of a tubular bone; ~50% occur in the knee. Other frequently involved sites: Distal […]

Genu Valgum (Knock-Knee)

Basics Description Genu valgum, or knock-knee, is a normal phase of development in children 2-4 years old. Girls normally have slightly more valgus of the knee than do boys. The valgus straightens to achieve the adult position by 6-7 years of age. Rickets, trauma, and genetic disorders also may cause genu valgum. Some patients […]

Chondrosarcoma

Basics Description This primary malignant tumor of bone consists of malignant chondrocytes (cartilage cells) and occurs inside a cartilage matrix. It most commonly affects the proximal femur, pelvic girdle, knee, and spine. It has a wide range of biologic behavior . Low grade (grade 1): <5% risk of metastasis Intermediate grade (grade 2): 20-30% […]

Anterior Cruciate Ligament Injury

Basics Description The ACL is critical for knee function in athletes who require knee stability in activities such as running, cutting, jumping, and kicking. The ACL originates on the posteromedial aspect of the lateral femoral condyle and inserts anterior to and between the intercondylar eminences of the tibia. The ACL is composed of 2 […]

Acromioclavicular Joint Arthritis

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Basics Description The AC joint can become a source of pain in the shoulder, often because of degenerative osteoarthritis, posttraumatic arthritis, or distal clavicle osteolysis. Diagnosing problems of the AC joint: Best diagnosed with pain on palpation, reproduction of pain with cross-body adduction, and diagnostic injections Plain radiographs, especially the Zanca view, or […]

Prolotherapy Therapy with Platelet Rich Plasma

Tendons and ligaments connect muscles to bones, making it possible to do all kinds of physical activities. Overuse or damage to tendons over a long period of time causes the collagen fibers that make up the tendons to form small tears, a condition called Tendinosis. Ligaments are composed of collagen fibers and hold bones together, […]

Meniscus Injuries

Five years ago, Dr. Goldblatt, orthopedic surgeon and professor at the University of Rochester School of Medicine (New York) wrote an article on meniscal (knee) injuries. It was published in the Journal of Musculoskeletal Medicine. Today, Dr. Goldblatt and two other orthopedic surgeons update that information here. More and more efforts are being made to […]

A Patient’s Guide to Revision Arthroplasty of the Hip

Introduction

Over the past 30 years, artificial hip replacements have become increasingly common. Millions of people have gotten a new hip joint. The first time a joint is replaced with an artificial joint, the operation is called a primary joint replacement. As people live longer and more people receive artificial joints, some of those joints […]

A Patient’s Guide to Artificial Joint Replacement of the Wrist

Introduction

The wrist joint is replaced with an artificial joint (also called a prosthesis) much less often than other joints in the body, such as the knee or the hip. Still, when necessary, this operation can effectively relieve the pain caused by wrist arthritis. When severe arthritis has destroyed the wrist joint, artificial wrist replacement […]