Which fracture type does NOT require immediate surgery?

Closed fractures are typically those fractures that do not break through the skin, so there is no open wound associated with them. Generally, the management of closed fractures often involves non-surgical options, such as casting or splinting, especially if the fracture is stable and well-aligned. Surgery is not always required immediately unless there are complications such as significant displacement or associated injuries that necessitate intervention.

In contrast, open fractures, also referred to as compound fractures, commonly require immediate surgical intervention to clean the wound, reduce the risk of infection, and stabilize the bone. Pathologic fractures, which occur due to an underlying condition such as osteoporosis or cancer, may also necessitate surgery depending on the fracture's specifics and the patient's health status.

The correct answer highlights how closed fractures can often be managed conservatively, whereas other fracture types typically require urgent surgical attention.