{
  "ptid_time": "129_S_6784_2020-08-17",
  "img_path": "/data/qiuhui/data/adni/images/129_S_6784/2020-08-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 33,209 mm³, 29.4% below the reference mean. With a Z-score of -0.85 (19.7th percentile), this represents normal volume ; whole brain volume measures 845,525 mm³, 17.8% below the reference mean. With a Z-score of -2.34 (1.0th percentile), this represents significant atrophy. ",
  "text_data": "Age is 83.9 years. Gender is Male. Education: 12 years. MMSE: 23.0. MoCA: 21.0. Logical Memory: 4.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows significant whole brain atrophy (Z-score -2.34, 1st percentile) but normal ventricular volume. Cognitive scores (MMSE 23, MoCA 21) are mildly impaired but not severe, and there is no APOE4 genetic risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T14:21:09.068306"
}