{
  "ptid_time": "073_S_0311_2011-09-01",
  "img_path": "/data/qiuhui/data/adni/images/073_S_0311/2011-09-01/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 50,478 mm³, 36.6% above the reference mean. With a Z-score of 0.99 (83.8th percentile), this represents normal volume ; hippocampal volume measures 6,418 mm³, 1.2% below the reference mean. With a Z-score of -0.10 (46.2th percentile), this represents normal volume ; whole brain volume measures 839,431 mm³, 9.6% below the reference mean. With a Z-score of -1.15 (12.6th percentile), this represents mild atrophy. ",
  "text_data": "Age is 83.1 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. MMSE: 26.0. MoCA: 22.0. Logical Memory: 13.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.12 SUVR (normal ); Amyloid beta: 1396.00 pg/mL (normal ); Total tau: 239.20 pg/mL (normal ); Phosphorylated tau: 21.32 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy but normal hippocampal and ventricular volumes. Cognitive scores (MMSE 26, MoCA 22) are borderline but within normal limits for age, and biomarkers (Aβ, tau, AV45) are normal.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to borderline cognitive scores but normal biomarkers and no significant hippocampal atrophy)",
  "timestamp": "2025-07-26T09:29:43.940545"
}