Extra-articular migration of the patellar component following total knee arthroplasty.
Complications related to patellar resurfacing are well recognized. We present an unusual case where the patellar button, after separating from the patella, extruded from the knee joint to lie within the extra-articular soft tissues.
Hanna
B C
BC
Department of Orthopaedics, Musgrave Park Hospital, Belfast.
Thompson
N W
NW
Wilson
D S
DS
Mollan
R A B
RA
D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee; D005548:Foreign-Body Migration / Q000209:etiology*; D006801:Humans; D007719:Knee Joint; D008297:Male; D011183:Postoperative Complications; D011475:Prosthesis Failure