Triangular Fibrocartilage Complex Injury (TFCC)
What Is a TFCC Injury and How Is It Treated?
The triangular fibrocartilage complex, or TFCC, is a network of cartilage and ligaments located on the ulnar (little-finger side) of the wrist near the little finger. It plays a key role in stabilizing the wrist, supporting smooth movement, and distributing pressure across the ulnar side of the wrist.
When the TFCC is damaged, it can lead to wrist pain, instability, and may cause clicking or popping sensations during movement. TFCC injuries can result from falls, sudden twisting motions, repetitive use, or age-related wear.
Causes of TFCC Injury
TFCC injuries often arise from trauma or repetitive stress. Common causes include:
- Falling on an outstretched hand
- Sudden twisting or rotation of the wrist
- Repetitive wrist movements in sports or occupational activities
In older adults, degenerative changes can weaken the TFCC. Wear and tear, particularly when combined with arthritis on the ulnar side of the wrist, may also lead to tears.
Symptoms of TFCC Injury
Patients with a TFCC injury may notice several signs, including:
- Pain on the side of the wrist near the little finger.
- Swelling and tenderness around the wrist.
- Clicking, popping, or snapping during wrist movement.
- A sense of instability at the distal radioulnar joint which can make gripping objects difficult.
Diagnosing a TFCC Injury
Diagnosing a TFCC injury starts with a physical examination and a review of your symptoms. To confirm the diagnosis, doctors may use imaging studies:
- X-rays to rule out fractures or other wrist issues.
- MRI to evaluate ligament and cartilage damage can be helpful in diagnosing the TFCC, though findings are interpreted alongside the physical exam.
In some cases, diagnostic injections are used to pinpoint the source of pain. These injections can also provide temporary relief.
Treatment Options for TFCC Injury
Depending on the location of the tear, treatment may involve either smoothing damaged tissue or repairing areas with better healing potential.
Non-Surgical Treatments
Many TFCC injuries improve without surgery. Non-surgical approaches may include:
- Immobilizing the wrist with a splint or cast for 4–6 weeks
- Resting the wrist to allow tissue healing
- Physiotherapy to restore strength, flexibility, and range of motion
Surgical Treatments
If symptoms persist despite non-surgical care, surgery may be recommended. There are two main approaches:
Arthroscopic TFCC Repair
This minimally invasive procedure uses small incisions and a camera (arthroscope) to guide repair. Cartilage tears can be removed or sutured, while ligament injuries can be repaired with sutures or anchors. Recovery is often faster due to smaller incisions and less post-operative discomfort.
Open TFCC Repair
Open surgery is used for complex or chronic tears. The surgeon makes a larger incision to access wrist structures. Ligaments may be reattached, and in cases of ulnar impaction syndrome, the ulna may be shortened to reduce stress on the TFCC.
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Post-Operative Recovery
After surgery, the wrist is bandaged and kept in a splint for 2–6 weeks. Ice and pain medication help manage swelling and discomfort. Rehabilitation exercises focus on restoring strength, flexibility, and motion.
Restrictions on driving and lifting vary depending on the procedure performed and individual healing. Arthroscopic repairs often allow quicker recovery compared to open surgery due to smaller incisions and reduced tissue trauma.
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When to Seek Care
Persistent wrist pain, instability, or difficulty using the hand may indicate a TFCC injury. Early evaluation by a hand and wrist specialist can help prevent further damage and support faster recovery.
If you are experiencing ongoing wrist pain or instability, contact our hand and wrist specialists today for a thorough evaluation and personalized treatment plan.