{
  "ptid_time": "099_S_0372_2006-11-08",
  "img_path": "/data/qiuhui/data/adni/images/099_S_0372/2006-11-08/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 62,783 mm³, 63.0% above the reference mean. With a Z-score of 1.51 (93.4th percentile), this represents moderate enlargement; whole brain volume measures 1,002,510 mm³, 7.1% below the reference mean. With a Z-score of -0.92 (17.8th percentile), this represents normal volume . ",
  "text_data": "Age is 79.5 years. Gender is Male. Education: 20 years. MMSE: 17.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is moderately enlarged (63.0% above reference mean), and whole brain volume is slightly reduced (7.1% below reference mean). The MMSE score of 17 indicates significant cognitive impairment, consistent with dementia. The absence of APOE4 does not rule out dementia, as structural and cognitive deficits are pronounced.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-26T10:56:00.086769"
}