{
  "ptid_time": "941_S_4376_2016-05-04",
  "img_path": "/data/qiuhui/data/adni/images/941_S_4376/2016-05-04/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 35,495 mm³, 4.0% below the reference mean. With a Z-score of -0.11 (45.7th percentile), this represents normal volume ; hippocampal volume measures 6,933 mm³, 6.7% above the reference mean. With a Z-score of 0.54 (70.6th percentile), this represents normal volume ; whole brain volume measures 941,590 mm³, 1.4% above the reference mean. With a Z-score of 0.17 (56.9th percentile), this represents normal volume . ",
  "text_data": "Age is 80.5 years. Gender is Female. Education: 16 years. MMSE: 28.0. MoCA: 22.0. Logical Memory: 15.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular, hippocampal, and whole brain) are all within normal ranges, and the MMSE score of 28 is within the normal range (≥26). However, the MoCA score of 22 suggests mild cognitive impairment (MCI), as it falls below the typical cutoff of 26. The absence of APOE4 reduces genetic risk for Alzheimer's.  \n\nDiagnosis: MCI  \nConfidence: Medium (due to discrepancy between MMSE and MoCA, but normal imaging)",
  "timestamp": "2025-07-26T17:41:24.804385"
}