Expected headings
"Differential diagnoses"
"Localised pain, swelling and restricted range of motion in the affected metacarpophalangeal joint are the main clinical presentations 5. Any metacarpal may be affected however the long metacarpals (2nd and 3rd) are most commonly involved 4."
"The pathologic changes are equivalent to those of osteonecrosis of other bones. There is disruption of critical blood supply leading to bone infarction, central necrosis and surrounding hyperaemia. Microfractures ensue resulting in flattening and deformity of the bone surface."
"History and etymology"