{
  "ptid_time": "035_S_0997_2007-06-28",
  "img_path": "/data/qiuhui/data/adni/images/035_S_0997/2007-06-28/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 24,365 mm³, 34.1% below the reference mean. With a Z-score of -0.92 (17.9th percentile), this represents normal volume ; whole brain volume measures 750,761 mm³, 19.1% below the reference mean. With a Z-score of -2.29 (1.1th percentile), this represents significant atrophy. ",
  "text_data": "Age is 80.9 years. Gender is Female. Education: 20 years. MMSE: 24.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The whole brain volume shows significant atrophy (Z-score -2.29, 1.1th percentile), which is concerning for neurodegeneration. The MMSE score of 24 is borderline but not definitive for dementia, and the absence of APOE4 reduces genetic risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T05:49:04.732695"
}