I have studied your case with diligence
There is possibility of nerve entrapment.
You may need EMG-NCV nerve conduction study
You can consult your doctor further treatment.
Another possibility of sudecks osteodystrophy
due to prolonged immobilisation.Physiotherapy
is very important here.Ultrasound
,TENS and wax bath may help.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.