{
  "ptid_time": "036_S_0759_2007-03-15",
  "img_path": "/data/qiuhui/data/adni/images/036_S_0759/2007-03-15/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 45,546 mm³, 23.2% above the reference mean. With a Z-score of 0.63 (73.5th percentile), this represents normal volume ; whole brain volume measures 836,732 mm³, 9.9% below the reference mean. With a Z-score of -1.18 (11.9th percentile), this represents mild atrophy. ",
  "text_data": "Age is 82.3 years. Gender is Female. Education: 12 years. MMSE: 23.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy (Z-score -1.18) but normal ventricular volume. Combined with an MMSE score of 23 (borderline for cognitive impairment) and advanced age, this suggests early cognitive decline rather than normal aging.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T06:04:44.880260"
}