{
  "ptid_time": "141_S_6008_2019-05-24",
  "img_path": "/data/qiuhui/data/adni/images/141_S_6008/2019-05-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 24,892 mm³, 11.4% above the reference mean. With a Z-score of 0.29 (61.3th percentile), this represents normal volume ; whole brain volume measures 1,049,690 mm³, 2.0% above the reference mean. With a Z-score of 0.25 (59.8th percentile), this represents normal volume . ",
  "text_data": "Age is 65.1 years. Gender is Female. Education: 16 years. MMSE: 29.0. MoCA: 29.0. Logical Memory: 14.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 0.99 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and cognitive scores (MMSE and MoCA) are high, indicating no significant cognitive impairment. The absence of APOE4 and normal AV45 further reduce Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T17:06:32.871507"
}