{
  "ptid_time": "029_S_0914_2009-01-13",
  "img_path": "/data/qiuhui/data/adni/images/029_S_0914/2009-01-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 43,323 mm³, 12.5% above the reference mean. With a Z-score of 0.30 (61.7th percentile), this represents normal volume ; whole brain volume measures 1,140,340 mm³, 5.6% above the reference mean. With a Z-score of 0.73 (76.8th percentile), this represents normal volume . ",
  "text_data": "Age is 76.4 years. Gender is Male. Education: 12 years. MMSE: 29.0. Logical Memory: 12.0. 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 29 is well within 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: High",
  "timestamp": "2025-07-26T04:20:15.161897"
}