Without seeing this, I can only guess. Some possibilities include a fibroma, inclusion cyst, foreign body, calcified varicosed vein . You really should have this looked at.
Posted By Vivian Abrams DPM on February 15, 2006 at 21:16:16:
Tuli's Double-Ribbed Pro heel cups are the most advancesd shock absorbing heel cups available today. The primary force of the heel strike is absorbed by the larger and higher waffle pattern while the lower and denser waffle pattern absorbs the high pressure and final force spike of heel strike. Perfect for sports activities.