#Triflange Acetabular Cup for Severe #Acetabular Bone Defect by Bassam A Masri in BJSTR
Abstract
Acetabular bone defects in revision hip arthroplasty are a
challenging problem. Its treatment relies on preoperative and
intraoperative assessment of the size of the defect, presumed
quality of the bone, integrity of the acetabular columns and presence
of pelvic discontinuity. Several surgical techniques advocated for
treating pelvic discontinuity are ilio-ischial cages, plate fixation
of structural allograft, triflange cups, Steinmann pin fixation,
acetabular revision with additional pelvic screws, acetabular
reinforcement rings, oblong cups and cup-cage reconstruction [1-
5]. Severe cases of acetabular bone loss often require an implant
specifically made to match the patient’s individual anatomy.
Triflange acetabular component is a patient-matched implant
designed in partnership with the surgeon, using the patient’s own
computed tomogram (CT) scan data. We present a case with severe
acetabular bone loss treated with a custom triflange acetabular cup.
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