{
  "ptid_time": "094_S_1090_2007-05-29",
  "img_path": "/data/qiuhui/data/adni/images/094_S_1090/2007-05-29/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 46,781 mm³, 21.5% above the reference mean. With a Z-score of 0.51 (69.6th percentile), this represents normal volume ; whole brain volume measures 1,105,890 mm³, 2.5% above the reference mean. With a Z-score of 0.32 (62.5th percentile), this represents normal volume . ",
  "text_data": "Age is 71.8 years. Gender is Male. Education: 16 years. MMSE: 25.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "**Reasoning:** The ventricular and whole brain volumes are within normal ranges, and the MMSE score of 25 is borderline (mild cognitive impairment typically ranges 18-26). However, the presence of two APOE4 alleles increases Alzheimer's risk.  \n**Diagnosis:** **MCI (Mild Cognitive Impairment)**  \n**Confidence:** **Medium** (MMSE is borderline, but APOE4 status and age suggest elevated risk for progression.)",
  "timestamp": "2025-07-26T10:15:25.702826"
}