{
  "ptid_time": "023_S_0030_2007-04-27",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0030/2007-04-27/t1.nii.gz",
  "img_finding": "Image findings: whole brain volume measures 1,023,560 mm³, 10.3% above the reference mean. With a Z-score of 1.23 (89.1th percentile), this represents mild enlargement. ",
  "text_data": "Age is 81.5 years. Gender is Female. Education: 19 years. MMSE: 23.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The whole brain volume is mildly enlarged (10.3% above reference mean, Z-score 1.23), which is atypical for Alzheimer's but not diagnostic. The MMSE score of 23 suggests mild cognitive impairment, and the absence of APOE4 reduces Alzheimer's risk but does not rule it out.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T02:26:01.680540"
}