{
  "ptid_time": "127_S_0431_2007-01-04",
  "img_path": "/data/qiuhui/data/adni/images/127_S_0431/2007-01-04/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 60,484 mm³, 28.6% above the reference mean. With a Z-score of 0.83 (79.7th percentile), this represents normal volume ; whole brain volume measures 1,004,060 mm³, 2.4% below the reference mean. With a Z-score of -0.32 (37.5th percentile), this represents normal volume . ",
  "text_data": "Age is 84.5 years. Gender is Male. Education: 12 years. MMSE: 19.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is slightly elevated but still within normal range, while whole brain volume is slightly reduced but also within normal limits. The MMSE score of 19 suggests cognitive impairment, which is concerning given the patient's age and APOE4 carrier status.  \nDiagnosis: Dementia  \nConfidence: Medium",
  "timestamp": "2025-07-26T13:00:51.568598"
}