{
  "ptid_time": "094_S_0921_2008-10-14",
  "img_path": "/data/qiuhui/data/adni/images/094_S_0921/2008-10-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 38,945 mm³, 1.1% above the reference mean. With a Z-score of 0.03 (51.1th percentile), this represents normal volume ; whole brain volume measures 1,140,770 mm³, 5.7% above the reference mean. With a Z-score of 0.74 (77.0th percentile), this represents normal volume . ",
  "text_data": "Age is 73.4 years. Gender is Male. Education: 19 years. MMSE: 26.0. Logical Memory: 0.0. 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 26 is just below the typical cutoff for mild cognitive impairment (MCI) but still within the borderline range. The presence of one APOE4 allele increases Alzheimer's risk but does not confirm pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to borderline MMSE and APOE4 status, but normal imaging)",
  "timestamp": "2025-07-26T10:14:17.540146"
}