Hi I am Natalie. Last month during the 4th of July I bruised my foot and shortly afterwards a hard knot appeared where the bruise was. The bruise has gone away but the lump still remains. The same thing happened when I fainted a few months ago where I smacked the side of the piano bench nearby and lightly bruised the skin near the frontal bone near my eye. A lump also appeared during that time. Should I be worried? As far as I know, nothing major is wrong with my health.
Dear patient it seems there is hematoma formation at the site of trauma. I would like to confirm diagnosis by local ultrasound examination.  If hematoma is large Chat Doctor.  Please consult surgeon around you with report.