Blowout injury refers to what: (A) Fracture of orbit, (B) Fracture of maxillary antrum, (C) Fracture of temporal bone, (D) Open Fracture from inside out of a long bone
Answer is A. The floor of orbit is its weakest wall and in blunt trauma such as a blow from a fist ,it is often fractured without fractures of the other walls.This is called blow-out fracture Bailey & Love ,26th,627.