{
  "ptid_time": "126_S_4712_2013-04-30",
  "img_path": "/data/qiuhui/data/adni/images/126_S_4712/2013-04-30/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,633 mm³, 30.9% below the reference mean. With a Z-score of -0.74 (23.0th percentile), this represents normal volume ; hippocampal volume measures 5,531 mm³, 26.8% below the reference mean. With a Z-score of -2.62 (0.4th percentile), this represents significant atrophy; whole brain volume measures 1,073,630 mm³, 0.5% below the reference mean. With a Z-score of -0.07 (47.2th percentile), this represents normal volume ; entorhinal cortex volume measures 2,789 mm³, 32.0% below the reference mean. With a Z-score of -2.17 (1.5th percentile), this represents significant atrophy; fusiform gyrus volume measures 18,434 mm³, 2.1% below the reference mean. With a Z-score of -0.18 (42.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,847 mm³, 7.0% below the reference mean. With a Z-score of -0.63 (26.5th percentile), this represents normal volume . ",
  "text_data": "Age is 75.3 years. Gender is Male. Education: 17 years. MMSE: 25.0. MoCA: 20.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The hippocampal and entorhinal cortex volumes show significant atrophy (Z-scores of -2.62 and -2.17, respectively), which are key biomarkers for Alzheimer's disease. The MMSE (25) and MoCA (20) scores indicate mild cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: MCI (likely due to Alzheimer's pathology)  \nConfidence: High",
  "timestamp": "2025-07-26T12:49:38.306535"
}