Prominent Screws in Knee Surgery: What You Need to Know - Orthopedics

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Protruding nail?


Hello doctor, I would like to ask about my knee where two curved metal rods have been inserted.
One of the rods is noticeably protruding, but pressing on it does not cause pain.
Will this have any impact?

MIN, 20~29 year old female. Ask Date: 2016/12/10

Dr. Hong Ximing reply Orthopedics


If the steel pin is protruding from the knee and the fracture has healed, it may be possible to remove it.
For further details, please consult the attending physician.

Reply Date: 2016/12/10

More Info


When it comes to knee surgery, particularly involving the placement of screws or plates, it's not uncommon for patients to have concerns about the prominence of these hardware components. In your case, having two screws in your knee, with one being noticeably prominent, raises several important considerations.

Firstly, it’s essential to understand that the prominence of screws can occur for various reasons, including the surgical technique used, the type of hardware, and the individual anatomy of the patient. In many cases, screws may protrude slightly above the bone surface, especially if they are placed in a location where the surrounding soft tissue is thin. This can be particularly true in the knee area, where the skin and soft tissue layers are relatively superficial.

The fact that you mentioned that pressing on the prominent screw does not cause pain is a positive sign. Pain or discomfort associated with prominent hardware can indicate issues such as irritation of the surrounding soft tissues, infection, or even hardware failure. Since you do not experience pain upon palpation, it suggests that the screw is not currently causing any significant irritation or complications.

However, it is crucial to monitor the situation closely. Here are some key points to consider regarding prominent screws in knee surgery:
1. Healing Process: After knee surgery, the body goes through a healing process where bone and soft tissues recover. During this time, it is not uncommon for patients to experience some swelling or discomfort around the surgical site. As healing progresses, the prominence of the screws may become less noticeable as the surrounding tissues adapt.

2. Potential for Complications: While the absence of pain is reassuring, it is still important to be aware of potential complications. If you notice any changes, such as increased swelling, redness, warmth, or pain around the area, it is essential to contact your healthcare provider. These could be signs of infection or other complications that may require intervention.

3. Follow-Up Care: Regular follow-up appointments with your orthopedic surgeon are crucial. During these visits, your doctor can assess the healing process and determine if the prominent screw needs to be addressed. In some cases, if the screw continues to be a concern or if it becomes symptomatic, your surgeon may recommend its removal after sufficient healing has occurred.

4. Activity Level: Depending on your recovery stage and the advice of your healthcare provider, you may need to modify your activity level. Engaging in low-impact activities and avoiding high-impact sports can help minimize stress on the knee and the hardware.

5. Physical Therapy: Engaging in physical therapy can be beneficial for strengthening the muscles around the knee and improving overall function. A physical therapist can provide exercises tailored to your recovery, which can help alleviate any discomfort and improve mobility.

6. Long-Term Considerations: As you age or if you have a history of knee issues, it is essential to maintain a healthy lifestyle and monitor your knee's condition. If you experience any changes in function or increased discomfort in the future, it may warrant further evaluation.

In conclusion, while the presence of a prominent screw in your knee may be concerning, the absence of pain is a reassuring factor. It is essential to maintain open communication with your healthcare provider, adhere to follow-up appointments, and engage in appropriate rehabilitation exercises. Should any new symptoms arise, do not hesitate to seek medical advice. Your orthopedic surgeon is the best resource for addressing your specific concerns and ensuring a smooth recovery process.

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