Knee Sensations: When to Seek Medical Attention

Knee problems

Hello Doctor,
Recently, I have suddenly felt a sensation in my left knee while walking, as if there is something (like a bandage or dressing) sticking to my knee.
When I touch my knee, it doesn't hurt, but it feels a bit numb.
Additionally, I have observed that there is no noticeable difference in appearance between my left and right knees.
What kind of condition could this be? Is it related to the bones or the nerves? Should I go to the hospital for an examination?

Pei, 30~39 year old female. Ask Date: 2023/10/21

Dr. Shi Guozheng reply Orthopedics

There may be an issue with the patella; it is advisable to visit a hospital for an examination.

Reply Date: 2023/10/21

More Info

When experiencing unusual sensations in the knee, such as the feeling of something being stuck to it or a tingling sensation, it is essential to consider both neurological and orthopedic factors. Your description of the left knee feeling as if it has a bandage or adhesive on it, along with a tingling sensation but no pain upon touching, suggests that there may be a neurological component involved. This could be related to nerve irritation or compression, possibly affecting the sensory nerves around the knee.

The knee is innervated by several nerves, including the femoral nerve, which supplies sensation to the anterior thigh and part of the knee, and the saphenous nerve, which provides sensation to the medial aspect of the knee. If these nerves are compressed or irritated, it can lead to abnormal sensations such as tingling, numbness, or the feeling of pressure. This could occur due to various reasons, including postural changes, repetitive movements, or even underlying conditions such as arthritis or bursitis that may not be immediately visible.

On the other hand, the absence of pain and the normal appearance of the knee suggest that there may not be a significant structural issue, such as a fracture or severe ligament injury. However, it is crucial to rule out any potential underlying conditions that could lead to more severe issues if left untreated.

Given that your symptoms have recently developed and are causing concern, it is advisable to seek medical attention. A healthcare provider can perform a thorough examination, which may include physical assessments and possibly imaging studies like X-rays or MRI, to evaluate the knee's structure and the surrounding soft tissues. They may also consider nerve conduction studies if a neurological issue is suspected.

In summary, while your symptoms may not indicate an immediate emergency, they warrant a professional evaluation to determine the underlying cause. Early diagnosis and intervention can prevent potential complications and ensure appropriate treatment. If you experience any worsening symptoms, such as increased pain, swelling, or difficulty moving the knee, you should seek medical attention promptly.

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