{
  "ptid_time": "094_S_1397_2007-11-13",
  "img_path": "/data/qiuhui/data/adni/images/094_S_1397/2007-11-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 48,679 mm³, 161.4% above the reference mean. With a Z-score of 4.62 (100.0th percentile), this represents profound enlargement; whole brain volume measures 942,150 mm³, 9.5% below the reference mean. With a Z-score of -1.13 (12.8th percentile), this represents mild atrophy. ",
  "text_data": "Age is 55.6 years. Gender is Female. Education: 18 years. MMSE: 22.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The data shows profound ventricular enlargement (Z-score 4.62) and mild whole brain atrophy (Z-score -1.13), which are indicative of significant structural brain changes. The MMSE score of 22.0 suggests cognitive impairment, but the absence of APOE4 alleles may mitigate some genetic risk for Alzheimer's.  \nDiagnosis: Dementia  \nConfidence: Medium",
  "timestamp": "2025-07-26T10:23:01.909608"
}