{
  "ptid_time": "127_S_4940_2013-03-25",
  "img_path": "/data/qiuhui/data/adni/images/127_S_4940/2013-03-25/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 3,675 mm³, 47.3% below the reference mean. With a Z-score of -4.08 (0.0th percentile), this represents profound atrophy. ",
  "text_data": "Age is 89.8 years. Gender is Male. Education: 16 years. MMSE: 20.0. MoCA: 18.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume is severely reduced (47.3% below mean, Z-score -4.08), indicating significant neurodegeneration. Combined with cognitive test scores (MMSE 20, MoCA 18) below typical cutoffs for impairment, this strongly suggests dementia.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-26T13:23:34.406857"
}