This article discusses the clinical applications of MR imaging in the
setting of acute extremity injuries. General indications include evalu
ation of physeal injuries, occult fractures, stress fractures, musculo
tendinous injuries, and ligamentous injuries. Indications of MR imagin
g of acute injuries vary, depending on such factors as the potential f
or management alteration and clinical suspicion. Radiologists need to
be familiar with the possible applications of MR imaging in acute extr
emity injury.