Snapshot A 22-year-old man presents to the emergency room with severe left arm pain. 1 hour prior to presentation, he was climbing a tree to retrieve a radio-controlled aircraft and fell 6 feet onto the ground. He landed on his pronated outstretched left arm and developed immediate-onset pain and swelling. On exam, he is tender to palpation with a notable deformity characterized by radial wrist angulation. The distal ulna is palpable. Radiographs demonstrate a fracture of the distal radial diaphysis with associated dislocation of the distal radioulnar joint. Introduction Clinical definition login to view 4 more bullets Epidemiology Incidence login to view 1 more bullet Demographics login to view 1 more bullet Etiology Traumatic injury login to view 3 more bullets Pathoanatomy login to view 22 more bullets Associated conditions login to view 4 more bullets Presentation Symptoms login to view 2 more bullets Physical exam login to view 3 more bullets Imaging Radiography login to view 7 more bullets Differential Monteggia fracture login to view 4 more bullets Distal radius fracture login to view 7 more bullets Treatment Nonoperative login to view 3 more bullets Operative login to view 3 more bullets Complications AIN palsy login to view 2 more bullets Compartment syndrome Prognosis Unfavorable login to view 1 more bullet