{
  "ptid_time": "014_S_0169_2006-08-24",
  "img_path": "/data/qiuhui/data/adni/images/014_S_0169/2006-08-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 38,815 mm³, 38.3% above the reference mean. With a Z-score of 0.88 (81.0th percentile), this represents normal volume ; whole brain volume measures 1,041,450 mm³, 6.9% above the reference mean. With a Z-score of 0.86 (80.6th percentile), this represents normal volume . ",
  "text_data": "Age is 72.4 years. Gender is Female. Education: 16 years. MMSE: 28.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 28 is in the normal cognitive range (≥26). The presence of one APOE4 allele increases Alzheimer's risk but does not alone indicate impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T23:38:21.030976"
}