Repair of Torn Discoid Lateral Meniscus
Discoid Lateral Meniscus – How to Repair It A lateral meniscus is an important shock absorber for the lateral compartment of the knee joint. Whilst the medial compartment of the knee joint is largely convex (femur end) and concave (tibia end) and hence conforming even in the absence of the medial meniscus, the lateral compartment … Continue reading
Rectus Femoris Musculotendinous Junction Tear – Result of Surgical Repair
Rectus Femoris Tear A tear of the musculotendinous junction of the rectus femoris muscle is an uncommon injury. Most surgeons do not have much experience in treating this entity surgically. I had the opportunity to repair this tear for one footballer. He presented to me within 6 weeks of the injury. The repair was technically … Continue reading
The Difficult to Diagnose Knee Pain – It Could Be Due To Menisco-Capsular Separation
Knee Pain Some knee pains are notoriously difficult to diagnose. It is even more baffling when the expensive MRI scan of the painful knee is reported as being normal! I occasionally encounter such patients. They come into my clinic with a problem of pain in the inner side (medial joint line) of the knee. There … Continue reading
Loose Body of the Knee Joint
Loose Bodies of the Knee Joint What Are Loose Bodies? Loose bodies are fragments of bone and/or cartilage that freely floats inside the knee joint. What Are the Symptoms? Symptoms include: Locking or jamming of the knee Pain Swelling Intermittent catching of the knee How to Diagnose? X-rays can sometimes show the bony fragment in … Continue reading
Tibial Plateau Fracture – Using Arthroscopy to Help Obtain Good Result
The knee joint is the junction between the thigh bone (femur) and the shin bone (tibia). It can be injured in accidents or during sports. When the articular surface of the tibia of the knee joint is injured, it is termed a tibial plateau fracture. Such fractures need to be treated such that the articular … Continue reading
Posterior Cruciate Ligament (PCL) Tears – How I Treat These Injuries
What is the Posterior Cruciate Ligament (PCL)? A ligament is a strong fibrous tissue that attaches one bone to another. The anterior and posterior cruciate ligaments form an “X” in the centre of the knee joint. The posterior cruciate ligament (PCL) being the larger of the 2 and situated behind the anterior cruciate ligament (ACL). … Continue reading
Deep Seated Pain at Back of Knee with Bending – Think of Mucoid Degeneration of ACL
Mucoid Degeneration of the ACL What Is Mucoid Degeneration of the ACL? This is basically an MRI diagnosis of expansion and increased signal of an intact ACL in a person with knee pain which is worse on knee flexion/bending. Presentation Patients usually present with nonspecific posterior knee pain with restriction of flexion. There is usually … Continue reading
Sudden Onset of Knee Pain – Consider a Medial Meniscus Posterior Horn Root Tear
Meniscus Root Tear The medial meniscus or inner shock absorber of the knee has attachment in the front (anterior horn) and the back (posterior horn). The posterior horn or root can tear as a result of degeneration or trauma. This typical presentation include: Sudden onset of severe knee pain. Does not improve with pain killers. … Continue reading
An Uncommon Cause of Knee Locking – Pigmented Villonodular Synovitis (PVNS)
PVNS or pigmented villonodular synovitis is an uncommon condition that I see from time to time. This is a benign tumour involving the inner lining of a joint. I treat about 3 to 4 such cases each year. Although it can affect any joint in the body, the most common joint with this problem that … Continue reading
HC Chang Orthopaedic Surgery | Singapore 