Hi,Dear,Welcome with your query to HCM.
Studied your query in full depth of its details.Reviewed it in context of your health concerns.
Based On the facts,You seem to suffer from-
Bursitis ? Ganglion/ or could be
Abscess.
If
MRI is advised by your doctor,he might be searching of the cause of the feverish Lump below the right ankle.Mostly he might be thinking of
Arthritis of the right ankle -to be ruled out by MRI study.
In absence of no information of the site/mobility of the ankle lump below right ankle,Your case is really difficult to comment on its cause.
I would suggest to Consult Second Ortho-Surgeon / Surgeon,which would fix the cause of your ankle lump below the right ankle.
This reply would help you to plan further treatment soon with your treating doctors.Best of Luck and early recovery.
Welcome any further query in this regard,which would be replied in next
session.
Good Day!!
Dr.Savaskar M.N.
Senior Surgical Specialist
M.S.Genl-CVTS