{
  "ptid_time": "129_S_1246_2010-03-05",
  "img_path": "/data/qiuhui/data/adni/images/129_S_1246/2010-03-05/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 24,821 mm³, 35.6% below the reference mean. With a Z-score of -0.85 (19.7th percentile), this represents normal volume ; whole brain volume measures 998,580 mm³, 7.5% below the reference mean. With a Z-score of -0.97 (16.6th percentile), this represents normal volume . ",
  "text_data": "Age is 75.4 years. Gender is Male. Education: 14 years. MMSE: 28.0. Logical Memory: 16.0. 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 confirm impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to normal imaging and MMSE, but APOE4 status warrants monitoring)",
  "timestamp": "2025-07-26T14:11:14.990611"
}