Snapshot An 18-year-old man presents to the emergency department with a swollen right hand. He punched a wall after having an argument. On physical exam, there is marked swelling over the ulnar side of his right hand with limited movement of the 5th metacarpophalangeal joint due to pain. Radiographs reveal a fracture of the 5th metacarpal neck of the right hand. Introduction Clinical definition login to view 1 more bullet Epidemiology Incidence login to view 1 more bullet Prevalence login to view 1 more bullet Etiology Pathogenesis login to view 1 more bullet Presentation Symptoms login to view 1 more bullet Physical exam login to view 5 more bullets Imaging Radiography login to view 7 more bullets Studies Making the diagnosis login to view 1 more bullet Differential Hand contusion login to view 3 more bullets Metacarpal-phalangeal dislocation login to view 3 more bullets Treatment Non-operative login to view 7 more bullets Operative login to view 3 more bullets Complications Joint stiffness (most common) Prognosis Typically patients have good long-term function with appropriate management