Abnormal Noises in the Left Ankle: When to Seek Medical Advice - Orthopedics

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When it comes to abnormal noises in the ankle, particularly in your left ankle as you've described, it is important to consider several factors before determining whether medical advice is necessary. The sound you are hearing, which you describe as “ㄉㄧㄚ” or a similar noise, could be attributed to a variety of causes, especially since you mentioned that it has been present for over a decade but has recently become more pronounced with increased activity, such as running.

Firstly, it’s essential to understand that joints can produce sounds, often referred to as crepitus, which can be completely normal. This phenomenon occurs when gas bubbles in the synovial fluid of the joint collapse or when tendons or ligaments snap over bony prominences. If the sound is not accompanied by pain, swelling, or a decrease in function, it may not be a cause for concern. However, the fact that you are now experiencing a "微酸感" (mild soreness) alongside the noise is a significant factor that warrants further investigation.

Given that you have increased your physical activity recently, it is possible that you may be experiencing some form of overuse injury or strain. Common conditions that could lead to such symptoms include:
1. Tendinitis: Inflammation of the tendons around the ankle can cause pain and may produce sounds during movement.

2. Ligamentous laxity: If the ligaments around the ankle are loose, they may allow for excessive movement, which can lead to abnormal sounds.

3. Cartilage wear: Over time, the cartilage in the ankle joint can wear down, leading to osteoarthritis, which can cause both noise and discomfort.

4. Synovial plica: Sometimes, a fold in the synovial membrane can catch during movement, leading to clicking or popping sounds.

Considering the recent increase in the volume of the sound and the onset of mild soreness, it would be prudent to seek a medical evaluation. A healthcare professional, particularly an orthopedic specialist, can perform a physical examination and may recommend imaging studies such as X-rays or an MRI to assess the condition of the bones, cartilage, and soft tissues in your ankle.

In summary, while the sound itself may not be alarming, the accompanying symptoms of soreness and the change in the sound's intensity with increased activity suggest that it would be wise to consult a physician. Early intervention can help prevent potential injuries from worsening and ensure that you can continue your running activities safely. Remember, it’s always better to err on the side of caution when it comes to joint health, especially if there are new symptoms present.