{
  "ptid_time": "052_S_1168_2008-06-23",
  "img_path": "/data/qiuhui/data/adni/images/052_S_1168/2008-06-23/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,276 mm³, 20.8% below the reference mean. With a Z-score of -0.56 (28.7th percentile), this represents normal volume ; whole brain volume measures 895,377 mm³, 3.5% below the reference mean. With a Z-score of -0.42 (33.6th percentile), this represents normal volume . ",
  "text_data": "Age is 82.7 years. Gender is Female. Education: 16 years. MMSE: 28.0. 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 well within the normal cognitive range (≥26). The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T07:44:00.864734"
}