Knee Pain: Causes and Solutions for Bump on Left Knee - Orthopedics

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Knee pain, particularly when accompanied by a noticeable bump, can arise from various underlying conditions. In your case, the bump on your left knee, along with the associated pain when pressure is applied or during certain movements like squatting or kneeling, suggests a few potential causes that should be explored further.


Possible Causes
1. Bursitis: The knee contains several bursae, which are small fluid-filled sacs that help reduce friction between tissues. Inflammation of these bursae, known as bursitis, can lead to swelling and pain. The prepatellar bursa (located in front of the kneecap) is often involved, especially in individuals who frequently kneel.

2. Osteoarthritis: This degenerative joint disease can cause bone spurs and changes in the cartilage, which may lead to a bump on the knee. Symptoms typically include stiffness, swelling, and pain, particularly after periods of inactivity or after extensive use.

3. Meniscus Injury: A tear in the meniscus, the cartilage that cushions the knee joint, can lead to swelling and pain. Sometimes, a piece of the meniscus can become trapped, causing a bump and limiting movement.

4. Patellar Tendonitis: Also known as "jumper's knee," this condition involves inflammation of the tendon connecting the kneecap to the shinbone. It can cause pain and swelling, especially during activities that put stress on the knee.

5. Cysts: A Baker's cyst, which forms behind the knee due to excess joint fluid, can sometimes present as a bump and cause discomfort. However, it typically does not cause pain unless it becomes large or ruptures.

6. Injury or Trauma: Previous injuries, such as fractures or ligament tears, can lead to abnormal growths or bumps as the body heals. Scar tissue can also form, leading to discomfort and restricted movement.


Recommended Solutions
1. Rest and Ice: Initially, it’s crucial to rest the knee and apply ice to reduce swelling and pain. Avoid activities that exacerbate the pain, such as kneeling or squatting.

2. Physical Therapy: Engaging in physical therapy can help strengthen the muscles around the knee, improve flexibility, and reduce pain. A physical therapist can provide tailored exercises that focus on your specific condition.

3. Medication: Over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) can help alleviate pain and reduce inflammation. However, if you have allergies to NSAIDs, consult your doctor for alternative pain relief options.

4. Knee Support: Using a knee brace or support can help stabilize the joint and alleviate discomfort during activities. However, if wearing a brace causes increased pressure or pain, it may be best to avoid it.

5. Injections: In some cases, corticosteroid injections may be recommended to reduce inflammation and pain in the knee joint. This should be discussed with your healthcare provider.

6. Surgery: If conservative treatments fail and the bump is causing significant pain or functional limitations, surgical options may be considered. This could involve removing the bursa, repairing a meniscus tear, or addressing any structural issues within the knee.


When to See a Doctor
If the bump on your knee persists, worsens, or is accompanied by severe pain, swelling, or difficulty in movement, it is essential to consult a healthcare professional. They may recommend imaging studies, such as an MRI or X-ray, to assess the underlying cause of your symptoms accurately.

In summary, while a bump on the knee can be concerning, understanding the potential causes and exploring appropriate treatment options can help manage the condition effectively. Always consult with a healthcare provider for a personalized assessment and treatment plan tailored to your specific needs.