Soft Bumps on the Knee: Causes and Solutions - Orthopedics

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Soft bumps on the knee can be concerning, especially when they appear suddenly or change in texture. Based on your description, it seems that you have noticed a soft, non-painful bump in the middle of your knee, which has developed over the past few years. This could be attributed to several potential causes, and understanding these can help you determine the best course of action.


Possible Causes of Soft Bumps on the Knee
1. Bursitis: One of the most common causes of soft bumps around the knee is bursitis, which is inflammation of the bursa—a small fluid-filled sac that acts as a cushion between bones and soft tissues. When the bursa becomes inflamed, it can lead to swelling and the formation of a soft bump. Bursitis can be caused by repetitive movements, prolonged kneeling, or direct trauma to the knee.

2. Lipoma: A lipoma is a benign tumor made of fat tissue. These are usually soft, movable, and painless. They can develop anywhere on the body, including the knee area. If the bump is soft and does not cause pain, it could potentially be a lipoma.

3. Ganglion Cyst: These are non-cancerous lumps that often develop along the tendons or joints of the wrists or hands, but they can also occur in the knee area. Ganglion cysts are filled with a jelly-like fluid and can vary in size. They may be soft and movable, and they typically do not cause pain unless they press on nearby nerves.

4. Synovial Cyst: Similar to ganglion cysts, synovial cysts can form due to the accumulation of synovial fluid, often as a result of joint conditions like arthritis. These cysts can create a noticeable bump and may be soft to the touch.

5. Osteoarthritis: In some cases, osteoarthritis can lead to the formation of bone spurs or other changes in the joint that may present as soft bumps. While these are typically harder, the associated swelling and inflammation can create a soft appearance.


Solutions and Recommendations
1. Consult a Healthcare Professional: The best course of action is to consult with a healthcare professional, such as an orthopedic specialist. They can perform a physical examination and may recommend imaging studies like an ultrasound or MRI to determine the exact nature of the bump.

2. Rest and Ice: If the bump is associated with any discomfort or swelling, resting the knee and applying ice can help reduce inflammation.

3. Physical Therapy: Engaging in physical therapy can strengthen the muscles around the knee, improve flexibility, and reduce strain on the joint. A physical therapist can provide specific exercises tailored to your condition.

4. Medication: Over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) can help alleviate pain and reduce inflammation if necessary.

5. Avoid Aggravating Activities: Since you mentioned that your work involves standing and squatting, try to modify these activities if possible. Taking breaks and changing positions can help reduce stress on the knee.

6. Monitor Changes: Keep an eye on the bump. If it grows, becomes painful, or if you experience other symptoms (like redness, warmth, or fever), seek medical attention promptly.

7. Consider Footwear: Since you also mentioned experiencing pain in the soles of your feet, ensure that you are wearing supportive footwear, especially if your job requires prolonged standing or walking.

In conclusion, while soft bumps on the knee can arise from various benign conditions, it is essential to have them evaluated by a healthcare professional to rule out any serious issues and to receive appropriate treatment. Taking proactive steps, such as modifying activities and seeking physical therapy, can significantly improve your knee health and overall comfort.