{"id":"W2943225065","doi":"10.1016/j.wneu.2019.04.094","title":"Use of Minimally Invasive Tubular Retractors for Foramen Magnum Decompression of Chiari Malformation: A Technical Note and Case Series","year":2019,"lang":"en","type":"article","venue":"World Neurosurgery","topic":"Spinal Dysraphism and Malformations","field":"Medicine","cited_by":23,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University","funders":"","keywords":"Foramen magnum; Medicine; Decompression; Retractor; Syringomyelia; Syrinx (medicine); Chiari malformation; Surgery; Chiari I malformation; Magnetic resonance imaging; Foramen; Radiology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005229351,0.002907546,0.00126128,0.003100631,0.003372278,0.00225187,0.002386597,0.008042263,0.002020659],"category_scores_gemma":[0.004485148,0.001113133,0.003024503,0.001621963,0.002770948,0.003332295,0.001997704,0.004593626,0.001457102],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001721742,"about_ca_system_score_gemma":0.001727427,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001255413,"about_ca_topic_score_gemma":0.002830786,"domain_scores_codex":[0.9983979,0.000161298,0.0003898323,0.0003267014,0.0003328824,0.0003914624],"domain_scores_gemma":[0.9969242,0.001062541,0.0007245897,0.000492364,0.0001537125,0.0006425907],"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":[0.00004929312,0.0001018733,0.00957635,0.00005892243,0.00003813243,0.9809985,0.0002641705,0.0002023965,0.003624931,0.000250167,0.0002794172,0.004555942],"study_design_scores_gemma":[0.000007603159,0.0001036991,0.003521773,0.00001259001,0.00002777741,0.9938598,0.0001090663,0.0002832733,0.001413705,0.0001460437,0.0004871873,0.0000274716],"study_design_candidate":"case_report","study_design_consensus":"case_report","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9501274,0.007453979,0.02840477,0.003455181,0.0009342063,0.0002816952,0.0003570945,0.0007967412,0.008188954],"genre_scores_gemma":[0.9817736,0.002176084,0.01121049,0.001095774,0.001432329,0.00007268654,0.0002269598,0.0001367651,0.001875358],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008042263,"threshold_uncertainty_score":0.01249218,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02727730244819935,"score_gpt":0.2730852205402577,"score_spread":0.2458079180920583,"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."}}