A growth plate fracture is a crack or split in or through the growth plate of a bone. Growth plates are softer areas of the bone that are made of cartilage. They occur at both ends of the bone to allow growth through childhood. The area hardens once bones are fully mature.

There are 5 types based on what parts of the bone are fractured:

  • Type 1—fracture passes straight through the growth plate and separates the end of the bone from the shaft of the bone.
  • Type 2—fracture passes through the growth plate and the shaft of the bone.
  • Type 3—fracture passes through the growth plate and breaks off a piece of the bone.
  • Type 4—fracture passes through the shaft, the growth plate, and the end of the bone.
  • Type 5—compression (crushing) fracture of the growth plate.

Femur Fracture
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Growth plate fractures are the results of a trauma to the bone.