{"id":"W4389764951","doi":"10.2106/jbjs.cc.23.00275","title":"A Sarcoma Masquerading as a Pseudotumor After Total Hip Arthroplasty","year":2023,"lang":"en","type":"article","venue":"JBJS Case Connector","topic":"Orthopaedic implants and arthroplasty","field":"Medicine","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Medicine; Total hip arthroplasty; Sarcoma; Magnetic resonance imaging; Chondrosarcoma; Biopsy; Surgery; Hemipelvectomy; Hip pain; Radiology; Hip arthroplasty; Arthroplasty; Amputation; Pathology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.0002200332,0.0003029539,0.0004306298,0.0002599881,0.0002009398,0.00005822915,0.00004076512,0.0001196492,0.003491814],"category_scores_gemma":[0.0002928079,0.0002502151,0.0002136834,0.0004394887,0.0001202087,0.0001389679,0.0001043449,0.0003015595,0.003464879],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000063964,"about_ca_system_score_gemma":0.0001547962,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006571729,"about_ca_topic_score_gemma":0.00004501825,"domain_scores_codex":[0.9980551,0.00005683053,0.0003657277,0.0004993271,0.0003510657,0.0006719579],"domain_scores_gemma":[0.9987739,0.0002253213,0.00007812976,0.0004114563,0.00006980442,0.0004413984],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"case_report","study_design_gemma":"case_report","study_design_scores_codex":[0.002238831,0.0005099317,0.08849338,0.0005124506,0.0004457021,0.7919261,0.002466922,0.000007756244,0.006493997,0.001132837,0.04913877,0.0566333],"study_design_scores_gemma":[0.01694913,0.002771959,0.1688197,0.0007716884,0.0004418353,0.5762476,0.003056491,0.002439506,0.002714777,0.0001855009,0.2239999,0.001601893],"study_design_candidate":"case_report","study_design_consensus":"case_report","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9944047,0.0001680785,0.00001740169,0.00117534,0.001422681,0.0005200231,0.0001181266,0.0005084765,0.00166517],"genre_scores_gemma":[0.9913179,0.00002870157,0.0001223143,0.001015525,0.001178005,0.0001077715,0.00004674491,0.00006987408,0.006113148],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2156785,"threshold_uncertainty_score":0.999995,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01732035945960914,"score_gpt":0.2723282643337258,"score_spread":0.2550079048741167,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}