Fracture of the resurfaced patella in total knee replacement.
Nontraumatic transverse stress fractures of the resurfaced patella occurred in 2 patients, one with a total condylar and the other with a GUEPAR arthroplasty. The blood supply of the patella is a critical factor in both pathogenesis and healing of stress fracture of the patella.
D000368:Aged; D005260:Female; D050723:Fractures, Bone / Q000209:etiology / Q000601:surgery*; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging / Q000601:surgery*; D007720:Knee Prosthesis / Q000009:adverse effects; D008875:Middle Aged; D010329:Patella / Q000098:blood supply / Q000000981:diagnostic imaging / Q000293:injuries*; D011379:Prognosis; D011859:Radiography