The line of a transverse fracture of the acetabulum divides the innominate bone into two segments. The upper is essentially ilium and the lower, which we shall call ischio-pubic, may contain some part of the embryologic ilium. Other simple fractures of the acetabulum result in separation of all or part of a column, whereas transverse fractures cut transversely both columns and divide each into two parts. The upper and lower segments of the divided columns remain intact with respect to each other.
KeywordsFracture Line Pubic Symphysis Posterior Border Ischial Tuberosity Transverse Fracture
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