A torn meniscus rarely heals the way a sprained muscle does. Left alone, a small tear may quiet down with rest and physical therapy, but a larger or more complex tear tends to keep catching, swelling, or giving way under load, and the knee that results is seldom as strong as it was before the injury. When nonsurgical care stalls out, the conversation usually turns to two surgical paths: meniscus repair, which stitches the torn pieces back together, and partial meniscectomy, which trims away the damaged tissue.
Dr. David Porter, a board-certified orthopedic surgeon with Progressive Spine & Orthopaedics who has served as team physician for professional hockey, football, and basketball athletes, walks patients through both options every week. Read on to see what an untreated tear can lead to, how repair and meniscectomy differ, and when Dr. Porter recommends moving forward with surgery.
What Happens If a Meniscus Tear Goes Untreated
The meniscus is the crescent-shaped cartilage that cushions the knee joint. Most tears occur in areas with very little blood supply, which is a major reason this tissue does not reliably heal on its own. According to the American Academy of Orthopaedic Surgeons, tears in the thin, worn-out "white zone" of the meniscus cannot grow back together and usually need to be trimmed away if they keep causing symptoms. Watch for these signs that a tear is not settling down on its own:
- Pain on the inside or outside of the knee that lingers for weeks
- Catching or locking sensations when bending or straightening the knee
- Swelling or stiffness that returns after activity
- A feeling that the knee is going to give way
- Inability to fully extend or bend the joint
Ignoring these symptoms does not usually make them disappear. Once meniscus tissue is damaged, the knee can rarely return to the full strength it had before the injury, even with surgery down the road.
Meniscus Repair vs. Meniscectomy
Repair and meniscectomy are not interchangeable, and the choice depends heavily on where the tear sits and how healthy the surrounding tissue is. Repair involves suturing the torn edges together so they can heal, which works best in the outer third of the meniscus where blood supply is strongest. Because the tissue needs time to knit back together, recovery from a repair generally takes several months. Meniscectomy removes the damaged portion instead of repairing it. Patients typically return to weight-bearing faster and recover in a shorter overall timeframe, though the joint permanently loses some cushioning in that area.
Dr. Porter's Conservative-First Approach
Before recommending either procedure, Dr. Porter believes conservative options should be explored and exhausted first. Rest, ice, compression, and elevation can ease early symptoms, and physical therapy can rebuild the muscles that support and stabilize the knee. A knee brace sometimes adds enough support to keep a patient active while the joint settles. For many patients, especially those with smaller tears, this is enough to avoid surgery altogether.
When Surgery Becomes the Right Option
Persistent locking, ongoing swelling, or a knee that will not fully extend despite weeks of conservative care are the signals that surgery may be the better path. When Dr. Porter does recommend surgery, it is typically performed arthroscopically, using a miniature camera and small instruments through tiny incisions. This minimally invasive approach can mean a same-day return home and a faster recovery than open surgery. Physical therapy typically begins soon after to help restore strength and range of motion.
Dr. David Porter: Trusted Knee Care in New Jersey
No two tears behave exactly alike, so Dr. Porter takes the time to understand each patient's activity level, goals, and tear pattern before recommending repair, meniscectomy, or continued conservative care. If knee pain, catching, or swelling has not improved on its own, a professional evaluation is the clearest way to find out what happens next. Schedule a consultation with Progressive Spine & Orthopaedics to get an accurate diagnosis and a treatment plan built around your knee.
More Resources
- Sports Medicine: Relieving Pain and Restoring Function
- Why Female Athletes Are More Prone to ACL Tears
- Regenerative Medicine in New Jersey: The Future of Sports Injury Recovery