{
  "ptid_time": "013_S_0325_2006-12-14",
  "img_path": "/data/qiuhui/data/adni/images/013_S_0325/2006-12-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 67,149 mm³, 139.2% above the reference mean. With a Z-score of 3.19 (99.9th percentile), this represents profound enlargement; hippocampal volume measures 4,957 mm³, 30.3% below the reference mean. With a Z-score of -2.78 (0.3th percentile), this represents significant atrophy; whole brain volume measures 1,004,490 mm³, 3.1% above the reference mean. With a Z-score of 0.39 (65.0th percentile), this represents normal volume ; entorhinal cortex volume measures 2,891 mm³, 21.3% below the reference mean. With a Z-score of -1.31 (9.6th percentile), this represents mild atrophy; fusiform gyrus volume measures 15,498 mm³, 8.9% below the reference mean. With a Z-score of -0.81 (20.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,235 mm³, 4.9% below the reference mean. With a Z-score of -0.42 (33.6th percentile), this represents normal volume . ",
  "text_data": "Age is 71.1 years. Gender is Female. Education: 18 years. MMSE: 22.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The data shows profound ventricular enlargement and significant hippocampal atrophy, both strong indicators of neurodegeneration. The MMSE score of 22 suggests cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-25T23:20:42.953912"
}