Displacement of bone from joint space
Dislocation.
Disruption in continuity of bone
Fracture
Fracture @ base of first metacarpal
Bennett
Fracture @ metacarpal neck
Boxer
Fracture at distal radius w/ POSTERIOR displacement
Colles
Fracture at distal radius w ANTERIOR displacement
Smith
Hereditary form of arthritis. Uric acid is deposited in joints
Gout
Osteoporosis
Loss of bone density
Osteopetrosis
Increased density at soft bone