Post-Surgery Nerve Pain: Scar Tissue Impact and Treatment Options - Neurosurgery

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Surgical excision of the area behind the knee?


Doctor, I have been experiencing numbness and pain in my calf for a year after surgery! During this time, I have undergone rehabilitation and received medication injections, but there has been no significant improvement.
Recently, I sought acupuncture treatment from traditional Chinese medicine, but it also has not shown notable effects.
I feel very frustrated.
The surgeon who performed the operation said that he did not damage any nerves during the procedure, and he is unsure why I am experiencing this numbness and pain.
He prescribed medication and injection treatments, but they have still been ineffective.
I previously found a medical article online about a patient who experienced numbness and pain after surgery, and the doctor diagnosed it as scar tissue compressing the nerve, which improved after treatment.
Could my situation be similar? What treatment options do you recommend? I sincerely appreciate your help!

Hui, 50~59 year old female. Ask Date: 2022/04/27

Dr. Lai Zhaokang reply Neurosurgery


Hello: I recommend that you consult with a pain specialist or a neurosurgeon to arrange for a series of tests such as nerve conduction studies and electromyography.
After that, an assessment can be made regarding the possibility of further treatments, such as pain nerve block procedures.
Best wishes.
// Dr.
Lai Chao-Kang, Neurosurgery, Changhua Hospital

Reply Date: 2022/04/27

More Info


Post-surgery nerve pain can be a challenging and frustrating experience for many patients. Your situation, where you have been dealing with persistent pain and numbness in your calf for a year after surgery, is not uncommon. It’s understandable that you feel discouraged, especially after trying various treatments without significant improvement.

One potential cause of your symptoms could indeed be related to scar tissue formation. After any surgical procedure, the body naturally forms scar tissue as part of the healing process. In some cases, this scar tissue can become fibrous and thick, leading to compression of nearby nerves. This phenomenon is known as "scar tissue entrapment" or "adhesive arachnoiditis," and it can result in pain, numbness, and other neurological symptoms similar to what you are experiencing.

The fact that your surgeon did not identify any direct nerve damage during the procedure is a positive sign, but it does not rule out the possibility that the surrounding scar tissue is affecting nerve function. Scar tissue can develop in various ways, and its impact on nerves can vary significantly from person to person. This is why some patients may experience significant pain and others may not, even with similar surgical procedures.

In terms of treatment options, there are several avenues you might consider:
1. Physical Therapy: Continuing with physical therapy can be beneficial. A physical therapist can help you with specific exercises designed to improve mobility and reduce pain. They may also employ techniques such as manual therapy to help break down scar tissue.

2. Nerve Blocks: If your pain is severe and persistent, a nerve block may be an option. This involves injecting a local anesthetic or steroid near the affected nerve to reduce inflammation and pain. This can provide temporary relief and may help in diagnosing the source of the pain.

3. Surgical Intervention: If scar tissue is confirmed to be compressing a nerve, surgical intervention may be necessary to remove the scar tissue. This is typically considered when conservative treatments have failed and the pain significantly impacts quality of life.

4. Alternative Therapies: Since you have tried acupuncture without significant results, you might explore other alternative therapies such as chiropractic care, massage therapy, or even transcutaneous electrical nerve stimulation (TENS). Some patients find relief through these methods.

5. Pain Management Specialists: Consulting with a pain management specialist can provide additional options. They can offer a multidisciplinary approach to pain management, including medications, physical therapy, and interventional procedures.

6. Medication Adjustments: If you are currently on medication for pain management, it may be worth discussing with your physician whether adjustments or alternative medications could be more effective. Medications such as gabapentin or pregabalin are often used for nerve pain and may provide relief.

7. Psychological Support: Chronic pain can take a toll on mental health. Seeking support from a psychologist or counselor who specializes in chronic pain can help you cope with the emotional aspects of living with persistent pain.

In conclusion, your symptoms may indeed be related to scar tissue affecting nerve function, and there are various treatment options available. It is essential to have open communication with your healthcare providers about your ongoing symptoms and to explore all possible avenues for relief. A multidisciplinary approach often yields the best results in managing complex pain conditions. Don’t hesitate to advocate for yourself and seek second opinions if necessary. Your well-being is paramount, and finding the right treatment plan can significantly improve your quality of life.

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