{
  "ptid_time": "126_S_0891_2007-04-16",
  "img_path": "/data/qiuhui/data/adni/images/126_S_0891/2007-04-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 55,644 mm³, 98.2% above the reference mean. With a Z-score of 2.25 (98.8th percentile), this represents significant enlargement; whole brain volume measures 877,046 mm³, 10.0% below the reference mean. With a Z-score of -1.26 (10.4th percentile), this represents mild atrophy. ",
  "text_data": "Age is 79.8 years. Gender is Female. Education: 12 years. MMSE: 20.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows significant ventricular enlargement (98.2% above mean) and mild whole brain atrophy (10% below mean), consistent with structural changes seen in dementia. The MMSE score of 20 (moderate impairment) and APOE4 carrier status further support cognitive decline.  \nDiagnosis: **Dementia**  \nConfidence: **High**",
  "timestamp": "2025-07-26T12:41:29.326007"
}