{
  "ptid_time": "005_S_0221_2006-10-06",
  "img_path": "/data/qiuhui/data/adni/images/005_S_0221/2006-10-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 62,528 mm³, 108.2% above the reference mean. With a Z-score of 2.57 (99.5th percentile), this represents significant enlargement; whole brain volume measures 1,028,160 mm³, 9.4% below the reference mean. With a Z-score of -1.33 (9.2th percentile), this represents mild atrophy. ",
  "text_data": "Age is 67.9 years. Gender is Male. Education: 18 years. MMSE: 17.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The significant ventricular enlargement (Z-score 2.57) and mild whole brain atrophy (Z-score -1.33) indicate substantial structural brain changes. Combined with the low MMSE score (17/30) and APOE4 homozygosity, this strongly suggests advanced neurodegeneration.  \nDiagnosis: Dementia  \nConf",
  "timestamp": "2025-07-25T21:02:27.448068"
}