{
  "ptid_time": "021_S_4402_2014-01-06",
  "img_path": "/data/qiuhui/data/adni/images/021_S_4402/2014-01-06/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 5,533 mm³, 22.2% below the reference mean. With a Z-score of -2.04 (2.1th percentile), this represents significant atrophy. ",
  "text_data": "Age is 74.9 years. Gender is Female. Education: 12 years. MMSE: 18.0. MoCA: 17.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume is significantly reduced (Z-score -2.04, 22.2% below mean), which is strongly associated with Alzheimer's pathology. The cognitive scores (MMSE 18, MoCA 17) are well below normal ranges, indicating substantial cognitive impairment.  \nDiagnosis: Dementia (likely Alzheimer's disease)  \nConfidence: High",
  "timestamp": "2025-07-26T01:47:26.267962"
}