<s>[INST] I have had surgery on my sciatic nerve and a fibroma was removed from inside the nerve. I had severe pain in the nerve before the surgery that was done in October 2013, however I still have the same severe pain and I am wondering if this will be permanent. [/INST] Hi, Welcome to HealthCareMagic.com I am Dr.J.Mariano Anto Bruno Mascarenhas. I have gone through your query with diligence and would like you to know that I am here to help you.History : I have had surgery on my sciatic nerve and a fibroma was removed from inside the nerve. I had severe pain in the nerve before the surgery that was done in October 2013, however I still have the same severe pain and I am wondering if this will be permanent.Question : What could severe pain in sciatic nerve even after surgery and removal of fibroma from inside the nerve indicate?Opinion : Pain can persist for upto six months during the recovery periodIf the pain persists beyond that, we need to rule out formation of another lesion. You need to undergo Nerve Conduction Studies and MRI Hope you found the answer helpful.If you need any clarification / have doubts / have additional questions / have follow up questions, then please do not hesitate in asking again. I will be happy to answer your questions. In the future, for continuity of care, I encourage you to contact me directly in HealthCareMagic at  Best Wishes for Speedy Recovery Let me know if I can assist you further.Take care. </s>