{
  "ptid_time": "009_S_1334_2007-09-24",
  "img_path": "/data/qiuhui/data/adni/images/009_S_1334/2007-09-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 36,247 mm³, 20.7% above the reference mean. With a Z-score of 0.49 (68.9th percentile), this represents normal volume ; whole brain volume measures 1,116,210 mm³, 1.6% below the reference mean. With a Z-score of -0.23 (41.0th percentile), this represents normal volume . ",
  "text_data": "Age is 64.7 years. Gender is Male. Education: 15 years. MMSE: 22.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is slightly above the reference mean but still within normal range (Z-score 0.49), and whole brain volume is only marginally below the reference mean (Z-score -0.23). However, the MMSE score of 22.0 suggests cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-25T22:15:45.450687"
}