Depends: If the bump is hard usually is a deformity of the underlying bone. If it is soft it may represent a cyst like a ganglion. Since it is on both sides it probably is a congenital anomaly. See an orthopedic surgeon or podiatrist for an evaluation.
Answered 1/5/2019
5.2k views
See Podiatrist: He could have a foot deformity that is causing elevation of the bone, or could be very flatfooted causing protrusion of the bone. Need an exam and x-ray.
Answered 3/24/2013
5.2k views
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