{
  "ptid_time": "131_S_0457_2008-06-17",
  "img_path": "/data/qiuhui/data/adni/images/131_S_0457/2008-06-17/t1.nii.gz",
  "img_finding": "Image findings: whole brain volume measures 723,384 mm³, 22.1% below the reference mean. With a Z-score of -2.65 (0.4th percentile), this represents significant atrophy. ",
  "text_data": "Age is 84.7 years. Gender is Female. Education: 12 years. MMSE: 17.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The significant whole brain volume atrophy (Z-score -2.65, 0.4th percentile) combined with a low MMSE score of 17.0 strongly suggests cognitive impairment. The presence of one APOE4 allele further supports a neurodegenerative process.  \n\nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-26T15:09:08.503195"
}