{
  "ptid_time": "022_S_4196_2012-03-27",
  "img_path": "/data/qiuhui/data/adni/images/022_S_4196/2012-03-27/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 7,171 mm³, 5.1% below the reference mean. With a Z-score of -0.50 (30.8th percentile), this represents normal volume ; whole brain volume measures 1,068,910 mm³, 1.0% below the reference mean. With a Z-score of -0.13 (45.0th percentile), this represents normal volume . ",
  "text_data": "Age is 78.9 years. Gender is Male. Education: 14 years. MMSE: 26.0. MoCA: 29.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal and whole brain volumes are within normal ranges (Z-scores close to 0), and cognitive scores (MMSE 26, MoCA 29) are above typical cutoffs for impairment. No APOE4 risk allele is present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T02:18:07.444267"
}