{"id":"W4400662596","doi":"10.3171/case23735","title":"Rare simultaneous fetal posterior cerebral artery and conventional posterior cerebral artery duplication in a patient with a ruptured posterior communicating artery aneurysm: illustrative case","year":2024,"lang":"en","type":"article","venue":"Journal of Neurosurgery Case Lessons","topic":"Intracranial Aneurysms: Treatment and Complications","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University; London Health Sciences Centre","funders":"","keywords":"Posterior cerebral artery; Medicine; Posterior communicating artery; Digital subtraction angiography; Aneurysm; Anterior cerebral artery; Cerebral arteries; Radiology; Subarachnoid hemorrhage; Angiography; Cardiology; Surgery; Middle cerebral artery; Ischemia","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":[0.0004248423,0.00248051,0.001407366,0.004005221,0.003218281,0.001776052,0.001801795,0.006510904,0.002899479],"category_scores_gemma":[0.006038068,0.001567397,0.001192382,0.002307351,0.002568503,0.002495724,0.002642569,0.004914678,0.000792211],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001722972,"about_ca_system_score_gemma":0.001243963,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002139337,"about_ca_topic_score_gemma":0.002638418,"domain_scores_codex":[0.9991153,0.0001078976,0.000105674,0.0002266412,0.0001623893,0.0002822137],"domain_scores_gemma":[0.9972143,0.0009191385,0.0005872237,0.0002810928,0.0001058566,0.0008925161],"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":[0.00001175267,0.00001349635,0.002074945,0.00001016117,0.00000445647,0.9970157,0.00006354913,0.00004251706,0.0001193548,0.0001378162,0.0001189691,0.0003873732],"study_design_scores_gemma":[0.000004084911,0.00001212073,0.001040445,0.000005042547,0.000003827145,0.998529,0.00003806309,0.00007188883,0.00005927393,0.0001237065,0.0001079176,0.000004581319],"study_design_candidate":"case_report","study_design_consensus":"case_report","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9616622,0.007369119,0.007105794,0.007511813,0.0008093192,0.0001883633,0.0004580219,0.000333347,0.01456203],"genre_scores_gemma":[0.9925916,0.001415243,0.002792362,0.0007688648,0.001386224,0.00004152925,0.0001137022,0.00003058421,0.000859929],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006510904,"threshold_uncertainty_score":0.01250112,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02335937310425601,"score_gpt":0.2728497179852519,"score_spread":0.2494903448809959,"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."}}