{
  "ptid_time": "141_S_6008_2017-04-12",
  "img_path": "/data/qiuhui/data/adni/images/141_S_6008/2017-04-12/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 24,190 mm³, 8.3% above the reference mean. With a Z-score of 0.21 (58.2th percentile), this represents normal volume ; whole brain volume measures 1,059,310 mm³, 2.9% above the reference mean. With a Z-score of 0.36 (64.2th percentile), this represents normal volume . ",
  "text_data": "Age is 63.1 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. MMSE: 29.0. MoCA: 27.0. 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 29, MoCA 27) are well above typical impairment thresholds. No genetic (APOE4-negative) or amyloid (AV45-normal) risk factors are present.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T17:06:27.424846"
}