accessory navicular bone?

answers1: Judging by the picture you posted and pictures online, it
seems likely that you do have an accessory navicular bone. This is
another sufferer
http://www.mdmercy.com/footandankle/conditions/flatfeet/images/tarsal_3.jpg
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Surgery can be given which requires a cast for a couple of weeks and
then a soft ankle brace for a matter of months following the
operation. This surgery is only performed in severe cases (probably it
would be considered an option in your case). <br>
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Whether or not it is covered under your insurance depends on a number
of variables. These are: what plan you have, and where you go.
Teaching hospitals often have programs with waiting lists where you
can get the procedure done more cheaply, and there is usually a number
you can call in order to see what it is included in your plan. You
primary care healthcare provider will better be able to diagnose your
condition, and will also be able to refer you to an orthopedic surgeon
who carries your health insurance. In almost all instances, orthopedic
doctors require a referral from a primary care provider.
answers2: You are asking the wrong people. You need to consult a
doctor for such major undertakings.