Patellofemoral joint arthroplasty

{"study":{"id":44052,"case_slug":"patellofemoral-joint-arthroplasty","modality":"X-ray","series":[{"id":17594106,"content_type":"image/png","frames":[{"id":17594106,"width":1257,"height":2430,"current":true}],"annotations":[],"encodings":{"original_dicom":null,"video":null,"thumbnailed_files":[{"tiny":"55f88e8a2b1494af2056ea017455fe_tiny.jpeg","jumbo":"55f88e8a2b1494af2056ea017455fe_jumbo.jpeg","small":"55f88e8a2b1494af2056ea017455fe_small.jpeg","thumb":"55f88e8a2b1494af2056ea017455fe_thumb.jpeg","medium":"55f88e8a2b1494af2056ea017455fe_medium.jpeg","gallery":"55f88e8a2b1494af2056ea017455fe_gallery.jpeg","big_gallery":"55f88e8a2b1494af2056ea017455fe_big_gallery.jpeg","original":"55f88e8a2b1494af2056ea017455fe.png"}]},"perspective":"Frontal","specifics":null},{"id":17594107,"content_type":"image/png","frames":[{"id":17594107,"width":1662,"height":2303,"current":true}],"annotations":[],"encodings":{"original_dicom":null,"video":null,"thumbnailed_files":[{"tiny":"ca97581f9feee8dea6c4d1530b3ea3_tiny.jpeg","jumbo":"ca97581f9feee8dea6c4d1530b3ea3_jumbo.jpeg","small":"ca97581f9feee8dea6c4d1530b3ea3_small.jpeg","thumb":"ca97581f9feee8dea6c4d1530b3ea3_thumb.jpeg","medium":"ca97581f9feee8dea6c4d1530b3ea3_medium.jpeg","gallery":"ca97581f9feee8dea6c4d1530b3ea3_gallery.jpeg","big_gallery":"ca97581f9feee8dea6c4d1530b3ea3_big_gallery.jpeg","original":"ca97581f9feee8dea6c4d1530b3ea3.png"}]},"perspective":"Lateral","specifics":null}],"caption":{"us":null,"gb":null},"findings":{"us":"","gb":""},"contributor_login":"hackingc","case_id":41245,"case_key_image_id":null,"case_featured_at":null},"current_user":null,"access":{"can_edit":false,"can_download":true,"can_feature":false,"can_pin":true}}