aseptic loosening hip

 47 year old female 6 years post primary thr with progressive pain. The acetabular cup appears to beloose and migrated  superior- laterally with significant posterior column bone loss. got away with a jumbocup and autologous grafting. host bone contact was just 60 percent. the below in a 11 post op rev pics 

dejour type 2 trochles with patellofemoral instabilty

Presented with pain and swelling lt knee. rt knee had a patelelofemoral mpfl reconstruction 10 months ago. no major complaints, although apprehension is positive, post trochleoplasty and MPFL reconstruction pics are below

Trochlear bump ie: ski jump has be removed the trochlear groove lateraised correcting the TT/TG distance , trochleoplasty and mpfl  reconstruction done