TOPIC: RANDOM MIX
Which pathophysiological mechanism primarily drives the catastrophic failure mode known as ‘trunnionosis’ in total hip arthroplasty?
A
Accelerated volumetric wear of the highly cross-linked polyethylene liner
B
Mechanically assisted crevice corrosion at the modular head-neck junction
C
Biologic aseptic loosening of the cementless acetabular shell via macrophage activation
D
Sudden brittle catastrophic fracture of the ceramic femoral head