{
  "ptid_time": "013_S_1186_2009-03-19",
  "img_path": "/data/qiuhui/data/adni/images/013_S_1186/2009-03-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 38,675 mm³, 17.7% below the reference mean. With a Z-score of -0.52 (30.3th percentile), this represents normal volume ; whole brain volume measures 1,014,620 mm³, 1.4% below the reference mean. With a Z-score of -0.19 (42.7th percentile), this represents normal volume . ",
  "text_data": "Age is 85.2 years. Gender is Male. Education: 12 years. MMSE: 28.0. Logical Memory: 4.0. 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 is within the normal cognitive range (≥26). The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T23:26:11.705386"
}