(1) scaphoid bone(2) In prolonged cases, osteophytes may occur at the dorsal rim of the distal radius or dorsal aspects of the scaphoid or lunate.(3) The scaphoid bone has an irregular shape, and 80% of the surface is covered by articular cartilage.(4) Historically, the bone scan has been used to look for occult fractures of the scaphoid and other bones.(5) The England captain fractured his right scaphoid , the bone between the thumb and the wrist, in the national team's 2-1 win over South Africa in Durban on Thursday.(6) The scaphoid and hamate are the most common bones to have nonunion after a fracture because their blood supplies are delicate and prone to complete disruption.