{
  "ptid_time": "116_S_0752_2008-08-26",
  "img_path": "/data/qiuhui/data/adni/images/116_S_0752/2008-08-26/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 47,461 mm³, 28.4% above the reference mean. With a Z-score of 0.77 (77.8th percentile), this represents normal volume ; whole brain volume measures 916,338 mm³, 1.3% below the reference mean. With a Z-score of -0.15 (43.9th percentile), this represents normal volume . ",
  "text_data": "Age is 84.0 years. Gender is Female. Education: 16 years. MMSE: 23.0. Logical Memory: 6.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is slightly elevated but still within the normal range, and whole brain volume is only marginally below the reference mean. The MMSE score of 23 suggests mild cognitive impairment, which is common at this age, and the presence of one APOE4 allele increases Alzheimer's risk but does not confirm dementia.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T11:58:05.072412"
}