{
  "ptid_time": "023_S_0093_2008-01-28",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0093/2008-01-28/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 88,598 mm³, 215.7% above the reference mean. With a Z-score of 4.94 (100.0th percentile), this represents profound enlargement; whole brain volume measures 764,249 mm³, 21.6% below the reference mean. With a Z-score of -2.72 (0.3th percentile), this represents significant atrophy. ",
  "text_data": "Age is 79.2 years. Gender is Female. Education: 16 years. MMSE: 4.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The data shows profound ventricular enlargement (215.7% above reference mean) and significant whole brain atrophy (21.6% below reference mean), consistent with advanced neurodegeneration. The MMSE score of 4.0 indicates severe cognitive impairment, aligning with structural findings.  \nDiagnosis: **Dementia**  \nConfidence: **High**",
  "timestamp": "2025-07-26T02:36:01.390717"
}