Which Salter-Harris type injury involves a fracture of the physis and a portion of the metaphysis?

Type II Salter-Harris injuries are characterized by a fracture that extends through the physis (growth plate) and into the metaphysis of the bone. This type of injury is significant because it can impact bone growth.

In a Type II injury, the fracture line begins at the physis and exits through the metaphysis, which is the larger part of the bone adjacent to the growth plate. This distinguishes it from Type I, where the fracture is confined to the physis without involving the metaphysis. The Type III and Type IV injuries, on the other hand, involve the physis and metaphysis in different manners, often having more complex implications for growth potential.

Understanding these classifications is vital in interpreting the effects of such injuries on pediatric patients, as the growth plate is crucial for normal bone development. Thus, recognizing the features of Type II injuries helps ensure appropriate treatment and management to avoid potentially long-lasting complications in young athletes.