{
  "ptid_time": "005_S_0546_2008-09-08",
  "img_path": "/data/qiuhui/data/adni/images/005_S_0546/2008-09-08/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,564 mm³, 43.5% below the reference mean. With a Z-score of -1.26 (10.3th percentile), this represents mild atrophy; whole brain volume measures 878,384 mm³, 14.7% below the reference mean. With a Z-score of -1.92 (2.7th percentile), this represents moderate atrophy. ",
  "text_data": "Age is 81.4 years. Gender is Male. Education: 16 years. MMSE: 29.0. Logical Memory: 10.0. APOEε4 alleles: 1.0. Biomarker levels: Pittsburgh compound B: 1.11 SUVR (mild reduced). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain imaging shows mild to moderate atrophy, particularly in whole brain volume (Z-score -1.92, 2.7th percentile), which is concerning for neurodegeneration. However, the MMSE score of 29 is within the normal range, suggesting preserved cognitive function despite structural changes.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to the discrepancy between imaging findings and intact cognitive performance)",
  "timestamp": "2025-07-25T21:08:18.445624"
}