{
  "ptid_time": "136_S_0695_2008-09-22",
  "img_path": "/data/qiuhui/data/adni/images/136_S_0695/2008-09-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 106,216 mm³, 175.8% above the reference mean. With a Z-score of 4.21 (100.0th percentile), this represents profound enlargement; whole brain volume measures 1,027,720 mm³, 4.8% below the reference mean. With a Z-score of -0.62 (26.7th percentile), this represents normal volume . ",
  "text_data": "Age is 76.3 years. Gender is Male. Education: 16 years. MMSE: 13.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is profoundly enlarged (Z-score 4.21), indicating significant atrophy, while whole brain volume is within normal limits. The MMSE score of 13 is consistent with severe cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-26T16:03:29.884403"
}