{
  "ptid_time": "012_S_0689_2007-07-19",
  "img_path": "/data/qiuhui/data/adni/images/012_S_0689/2007-07-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 51,077 mm³, 70.1% above the reference mean. With a Z-score of 1.67 (95.2th percentile), this represents moderate enlargement; whole brain volume measures 1,130,020 mm³, 0.4% below the reference mean. With a Z-score of -0.06 (47.8th percentile), this represents normal volume . ",
  "text_data": "Age is 64.6 years. Gender is Male. Education: 12 years. MMSE: 17.0. Logical Memory: 0.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is significantly enlarged (70.1% above reference mean, Z-score 1.67), suggesting substantial atrophy, while whole brain volume is normal. The MMSE score of 17 indicates severe cognitive impairment, and the presence of two APOE4 alleles increases Alzheimer's risk.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-25T23:05:40.946568"
}