{
  "ptid_time": "023_S_0030_2006-04-14",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0030/2006-04-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 23,583 mm³, 36.2% below the reference mean. With a Z-score of -0.98 (16.4th percentile), this represents normal volume ; whole brain volume measures 1,015,180 mm³, 9.4% above the reference mean. With a Z-score of 1.12 (87.0th percentile), this represents mild enlargement. ",
  "text_data": "Age is 80.5 years. Gender is Female. Education: 19 years. MMSE: 24.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is within normal limits, and the whole brain volume is mildly enlarged, suggesting no significant atrophy. The MMSE score of 24 is slightly below the typical cutoff of 26 for normal cognition but is not strongly indicative of dementia, especially in the absence of significant brain atrophy or APOE4 risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium",
  "timestamp": "2025-07-26T02:25:35.487991"
}