{
  "ptid_time": "035_S_0997_2008-07-17",
  "img_path": "/data/qiuhui/data/adni/images/035_S_0997/2008-07-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,425 mm³, 20.4% below the reference mean. With a Z-score of -0.55 (29.1th percentile), this represents normal volume ; whole brain volume measures 724,268 mm³, 22.0% below the reference mean. With a Z-score of -2.64 (0.4th percentile), this represents significant atrophy. ",
  "text_data": "Age is 81.9 years. Gender is Female. Education: 20 years. MMSE: 23.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows significant whole brain atrophy (Z-score -2.64, 0.4th percentile) but normal ventricular volume. The MMSE score of 23 suggests mild cognitive impairment, and the absence of APOE4 reduces genetic risk but does not rule out neurodegeneration.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T05:49:18.522525"
}