{
  "ptid_time": "033_S_0922_2009-10-16",
  "img_path": "/data/qiuhui/data/adni/images/033_S_0922/2009-10-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 47,035 mm³, 22.1% above the reference mean. With a Z-score of 0.53 (70.2th percentile), this represents normal volume ; whole brain volume measures 964,505 mm³, 10.6% below the reference mean. With a Z-score of -1.38 (8.4th percentile), this represents mild atrophy. ",
  "text_data": "Age is 71.1 years. Gender is Male. Education: 12 years. MMSE: 23.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy (Z-score -1.38, 8.4th percentile) but normal ventricular volume. Combined with an MMSE score of 23 (borderline for impairment) and APOE4 positivity, this suggests cognitive decline beyond normal aging but not yet severe enough for dementia.  \nDiagnosis: MCI (Mild Cognitive Impairment)  \nConfidence: Medium (MMSE is borderline, and brain atrophy is mild but not severe)",
  "timestamp": "2025-07-26T05:24:32.262000"
}