Possible congenital osteoid-osteoma of a phalanx.
D001859:Bone Neoplasms / Q000151:congenital* / Q000175:diagnosis; D006801:Humans; D007223:Infant; D008297:Male; D010017:Osteoma, Osteoid / Q000151:congenital* / Q000175:diagnosis; D013977:Tibia