Knee


Pigmented Villonodular Synovitis of the Knee

A Patient’s Guide to Pigmented Villonodular Synovitis (PVNS) of the Knee Introduction Pigmented villonodular synovitis of the knee (PVNS) is a very rare disease. Pigmented villonodular synovitis is most often painless inflammation or swelling, and overgrowth of the lining of a joint. The growth can invade the nearby bone. Eighty per […]


Bipartite Patella

A Patient’s Guide to Bipartite Patella Introduction Bipartite patella is a congenital condition (present at birth) that occurs when the patella (kneecap) is made of two bones instead of a single bone. Normally, the two bones would fuse together as the you grow. But in bipartite patella, they remain as […]


Knee Arthroscopy

A Patient’s Guide to Knee Arthroscopy Introduction The use of arthroscopy has revolutionized many different types of orthopedic surgery. During knee arthroscopy, a small video camera attached to a fiberoptic lens is inserted into the body to allow a physician or surgeon to see without making a large incision (arthro […]


Pes Anserine Bursitis of the Knee

A Patient’s Guide to Pes Anserine (Goosefoot) Bursitis Introduction Bursitis of the knee occurs when constant friction on the bursa causes inflammation. The bursa is a small sac that cushions the bone from tendons that rub over the bone. Bursae can also protect other tendons as tissues glide over one […]


Patellar Tendonitis

A Patient’s Guide to Patellar Tendonitis Introduction Alignment or overuse problems of the knee structures can lead to strain, irritation, and/or injury. This produces pain, weakness, and swelling of the knee joint. Patellar tendonitis (also known as jumper’s knee) is a common overuse condition associated with running, repeated jumping and landing, […]


Quadriceps Tendonitis

A Patient’s Guide to Quadriceps Tendonitis of the Knee Introduction Alignment or overuse problems of the knee structures can lead to strain, irritation, and/or injury of the quadriceps muscle and tendon. Quadriceps tendonitis produces pain, weakness, and swelling of the knee joint. These problems can affect people of all ages […]


Chondromalacia Patella

A Patient’s Guide to Chondromalacia Patella Introduction The patella, or kneecap, can be a source of knee pain when it fails to function properly. Alignment or overuse problems of the patella can lead to wear and tear of the cartilage behind the patella. Chondromalacia patella is a common knee problem […]


Unicompartmental Knee Replacement

A Patient’s Guide to Unicompartmental Knee Replacement Introduction A painful knee can severely affect your ability to lead a full, active life. Over the last 25 years, major advancements in artificial knee replacement have improved the outcome of the surgery greatly. One of the more recent advances in knee replacement […]


ACL Hamstring Tendon Graft Reconstruction

A Patient’s Guide to Hamstring Tendon Graft Reconstruction of the ACL Introduction When the anterior cruciate ligament (ACL) in the knee is torn or injured, surgery may be needed to replace it. There are many different ways to do this operation. One is to take a piece of the hamstring […]


Meniscal Surgery

A Patient’s Guide to Meniscal Surgery Introduction The meniscus is very important to the long-term health of the knee. In the past, surgeons would simply take out part or all of an injured meniscus. But today’s surgeons know that removing the meniscus can lead to early knee arthritis. Whenever possible, […]


Patellar Tendon Graft Reconstruction of the ACL

A Patient’s Guide to Patellar Tendon Graft Reconstruction of the ACL Introduction The anterior cruciate ligament (ACL) is a major stabilizer of the knee joint. This key knee ligament is commonly torn during sports activities. The standard operation to fix a torn ACL is with a patellar tendon graft. The […]


Patellofemoral Problems

A Patient’s Guide to Patellofemoral Problems Introduction The patella, or kneecap, can be a source of knee pain when it fails to function properly. Alignment or overuse problems of the patella can lead to wear and tear of the cartilage behind the patella. This produces pain, weakness, and swelling of […]


Popliteal Cysts

A Patient’s Guide to Popliteal Cysts Introduction A popliteal cyst, also called a Baker’s cyst, is a soft, often painless bump that develops on the back of the knee. A cyst is usually nothing more than a bag of fluid. These cysts occur most often when the knee is damaged due to […]


Prepatellar Bursitis

A Patient’s Guide to Prepatellar Bursitis Introduction Prepatellar bursitis is the inflammation of a small sac of fluid located in front of the kneecap. This inflammation can cause many problems in the knee. This guide will help you understand how prepatellar bursitis develops why the condition causes problems what can […]


Revision Arthroplasty of the Knee

A Patient’s Guide to Revision Arthroplasty of the Knee Introduction Over the past 30 years, artificial knee replacement surgery has become increasingly common. Millions of people have gotten a new knee joint. The first time a joint is replaced with an artificial joint the operation is called a primary joint […]


Posterior Cruciate Ligament Injuries

A Patient’s Guide to Posterior Cruciate Ligament Injuries Introduction The posterior cruciate ligament (PCL) is one of the less commonly injured ligaments of the knee. Understanding this injury and developing new treatments for it have lagged behind the other cruciate ligament in the knee, the anterior cruciate ligament (ACL), probably […]


Plica Syndrome

A Patient’s Guide to Plica Syndrome Introduction Plica syndrome is an interesting problem that occurs when an otherwise normal structure in the knee becomes a source of knee pain due to injury or overuse. The diagnosis can sometimes be difficult, but if this is the source of your knee pain, […]


Anterior Cruciate Ligament Injuries

A Patient’s Guide to Anterior Cruciate Ligament Injuries Introduction The anterior cruciate ligament (ACL) is probably the most commonly injured ligament of the knee. In most cases, the ligament is injured by people participating in athletic activity. As sports have become an increasingly important part of day-to-day life over the […]


Knee Anatomy

A Patient’s Guide to Knee Anatomy Introduction To better understand how knee problems occur, it is important to understand some of the anatomy of the knee joint and how the parts of the knee work together to maintain normal function. First, we will define some common anatomic terms as they […]


Artificial Joint Replacement of the Knee

A Patient’s Guide to Artificial Joint Replacement of the Knee Introduction A painful knee can severely affect your ability to lead a full, active life. Over the last 25 years, major advancements in artificial knee replacement have improved the outcome of the surgery greatly. Artificial knee replacement surgery (also called […]