{
  "ptid_time": "022_S_2087_2011-11-16",
  "img_path": "/data/qiuhui/data/adni/images/022_S_2087/2011-11-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 21,026 mm³, 45.4% below the reference mean. With a Z-score of -1.09 (13.8th percentile), this represents mild atrophy; hippocampal volume measures 8,057 mm³, 6.6% above the reference mean. With a Z-score of 0.64 (74.0th percentile), this represents normal volume ; whole brain volume measures 1,077,050 mm³, 0.2% below the reference mean. With a Z-score of -0.03 (48.9th percentile), this represents normal volume ; entorhinal cortex volume measures 3,163 mm³, 22.9% below the reference mean. With a Z-score of -1.55 (6.1th percentile), this represents moderate atrophy; fusiform gyrus volume measures 16,268 mm³, 13.6% below the reference mean. With a Z-score of -1.16 (12.3th percentile), this represents mild atrophy; middle temporal gyrus volume measures 20,602 mm³, 3.5% below the reference mean. With a Z-score of -0.31 (37.8th percentile), this represents normal volume . ",
  "text_data": "Age is 70.5 years. Gender is Male. Education: 16 years. MMSE: 24.0. MoCA: 21.0. Logical Memory: 12.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild to moderate atrophy in key regions associated with Alzheimer's disease (ventricular volume, entorhinal cortex, fusiform gyrus), while hippocampal volume is normal. Cognitive scores (MMSE 24, MoCA 21) suggest mild cognitive impairment. APOE4 carrier status increases Alzheimer's risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T02:12:40.778951"
}