{
  "ptid_time": "027_S_1387_2007-09-24",
  "img_path": "/data/qiuhui/data/adni/images/027_S_1387/2007-09-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 88,198 mm³, 87.6% above the reference mean. With a Z-score of 2.54 (99.5th percentile), this represents significant enlargement; whole brain volume measures 860,264 mm³, 16.4% below the reference mean. With a Z-score of -2.15 (1.6th percentile), this represents significant atrophy. ",
  "text_data": "Age is 86.1 years. Gender is Male. Education: 20 years. MMSE: 24.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The data shows significant ventricular enlargement (87.6% above reference mean) and whole brain atrophy (16.4% below reference mean), both with high Z-scores indicating severe deviation from normal. The MMSE score of 24.0 in an 86-year-old male with APOE4 positivity further supports cognitive impairment.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-26T03:50:51.303750"
}