Thank you very much for the useful information Bryan.
I honestly believe it was benign growth, rather this was not a tumor in fact. These kind of growths are merely thickening of the nerve sheaths and surgery is usually curative in most of the cases, however, complications may occur.
These include persistence of symptoms due to infection and inadequate decompression of the nerve (which leaves the nerve irritable leading to pain/numbness).
Recurrence of the neuroma (stump neuroma) can also develop in less than 10 % of the people after surgery and this presents with all the symptoms one had prior to the surgery.
These kind of situations are sufficient enough for the surgeon to get nervous and frustrated, and the same happened to your doctor.
I can understand this is also very frustrating for you as well, but we have to move forward now from this point. The next step would include an MRI of the foot which will exactly diagnose the current clinical situation with certainty and will also direct further management plan (which can be in the form of repeat surgery).
Until then you should have rest and keep using motrin or aleve for pain control either alone or in combination with tylenol.
Prior to the surgery the surgeon can also take a biopsy or after surgery and removal of the growth can send the specimen to the laboratory for exact pathological diagnosis to make sure that this is nothing serious like a cancer).
So right now, your next step is to get a re-evaluation done discussing all the details i have mentioned with your surgeon.
I would have been worried too if I were at your place, but let me reassure you that this is a treatable condition and carries a good prognosis with appropriate management.
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