Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Preoperative radiograph of a case of secondary osteoarthritis in Crowe IV dysplasia. (B) Total hip arthroplasty using a standard stem via a shortening osteotomy and a standard press-fit cup. A medialized acetabular component with a fracture of the quadrilateral surface can be observed. (C) After conservative treatment with six weeks of partial weight-bearing, a progressive acetabular protrusion was observed, thus revision was indicated.
