{
  "ptid_time": "052_S_1352_2007-10-10",
  "img_path": "/data/qiuhui/data/adni/images/052_S_1352/2007-10-10/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 37,813 mm³, 19.6% below the reference mean. With a Z-score of -0.57 (28.5th percentile), this represents normal volume ; whole brain volume measures 1,030,070 mm³, 0.1% above the reference mean. With a Z-score of 0.01 (50.5th percentile), this represents normal volume . ",
  "text_data": "Age is 86.4 years. Gender is Male. Education: 16 years. MMSE: 28.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 28/30 indicates intact cognitive function. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T07:47:22.421691"
}