Sprain of metacarpophalangeal joint of left thumb digital illustration

Sprain of metacarpophalangeal joint of left thumb Save


ICD-10 code: S63.642

Chapter: Injury, poisoning and certain other consequences of external causes

Sprain of Metacarpophalangeal Joint of Left Thumb: Causes, Symptoms, and Treatment

A sprain of the metacarpophalangeal joint, also known as the MCP joint, is a common injury that affects the thumb. This joint connects the bones of the hand to the bones of the fingers, and it is responsible for much of the movement and dexterity of the hand. When the ligaments that hold the joint together become stretched or torn, it can lead to pain, swelling, and difficulty using the hand.

Causes

A sprain of the MCP joint is typically caused by a sudden impact or twist to the thumb. This can occur during sports, such as basketball or football, or during a fall or other accident. People who engage in activities that require repetitive gripping or twisting motions, such as musicians or manual laborers, are also at a higher risk of developing this type of injury.

Symptoms

The symptoms of a sprain of the MCP joint can vary depending on the severity of the injury. Common symptoms include:

  1. Pain and tenderness in the thumb
  2. Swelling and bruising
  3. Difficulty moving the thumb
  4. A popping or clicking sensation when moving the thumb

If the injury is severe, there may also be numbness or tingling in the thumb or hand, which can indicate nerve damage.

Treatment

If you suspect that you have sprained your MCP joint, it is important to seek medical attention right away. Your doctor will likely perform a physical exam and may order imaging tests, such as an X-ray or MRI, to assess the extent of the injury.

Treatment for a sprain of the MCP joint typically involves rest, ice, compression, and elevation of the affected hand. Your doctor may also recommend immobilizing the thumb with a splint or cast to allow it to heal properly. In some cases, physical therapy or surgery may be necessary to restore full function to the hand.

Conclusion

A sprain of the MCP joint can be a painful and debilitating injury, but with proper treatment and care, most people are able to make a full recovery. If you suspect that you have injured your thumb, seek medical attention right away to ensure that you receive the proper diagnosis and treatment.