TOPIC: RANDOM MIX
When evaluating a patient with a painful metal-on-metal total hip arthroplasty, which specific finding on a Metal Artifact Reduction Sequence (MARS) MRI is most characteristic of an Adverse Local Tissue Reaction (ALTR)?
A
Massive, aggressive osteolysis localized exclusively to the greater trochanter
B
A thick-walled, cystic or solid pseudotumor mass in the periprosthetic soft tissues
C
An occult, non-displaced periprosthetic fracture of the medial acetabular wall
D
Severe, isolated fatty atrophy of the psoas muscle belly