{
  "ptid_time": "128_S_0135_2006-09-21",
  "img_path": "/data/qiuhui/data/adni/images/128_S_0135/2006-09-21/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,298 mm³, 28.9% below the reference mean. With a Z-score of -0.78 (21.8th percentile), this represents normal volume ; whole brain volume measures 979,646 mm³, 5.5% above the reference mean. With a Z-score of 0.67 (74.7th percentile), this represents normal volume . ",
  "text_data": "Age is 82.8 years. Gender is Female. Education: 18 years. MMSE: 29.0. 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 29.0 indicates no significant cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T13:33:40.340338"
}