Revision Surgery
A 68-year-old woman presents with painful loosening of her right total hip arthroplasty performed 15 years ago. Radiographs show acetabular component migration with superior and medial bone loss, disruption of Kohler's line, and ischial lysis. The femur shows extensive diaphyseal bone loss with a thin cortical shell. CT scan confirms extensive acetabular and femoral bone defects. Regarding bone loss classification and revision hip arthroplasty:
Mark each as TRUE or FALSE
Paprosky acetabular classification: Type I (minimal deformity, intact rim, supportive columns), Type...
Paprosky femoral classification: Type I (minimal metaphyseal damage), Type II (extensive metaphyseal...
Paprosky Type I acetabular has the most severe bone loss; Type IIIB has intact columns and supportiv...
Acetabular reconstruction options depend on classification: Type I/II can use hemispherical cups wit...
Femoral reconstruction: Type I/II use extensively coated stems or proximal filling designs; Type III...
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Click T (True) or F (False) for each option