{
  "ptid_time": "006_S_4192_2012-10-15",
  "img_path": "/data/qiuhui/data/adni/images/006_S_4192/2012-10-15/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 95,200 mm³, 102.5% above the reference mean. With a Z-score of 2.98 (99.9th percentile), this represents significant enlargement; hippocampal volume measures 5,457 mm³, 21.7% below the reference mean. With a Z-score of -1.87 (3.0th percentile), this represents moderate atrophy; whole brain volume measures 1,015,350 mm³, 1.3% below the reference mean. With a Z-score of -0.18 (43.0th percentile), this represents normal volume ; entorhinal cortex volume measures 1,721 mm³, 56.6% below the reference mean. With a Z-score of -3.71 (0.0th percentile), this represents profound atrophy; fusiform gyrus volume measures 15,775 mm³, 12.7% below the reference mean. With a Z-score of -1.10 (13.6th percentile), this represents mild atrophy; middle temporal gyrus volume measures 16,815 mm³, 16.6% below the reference mean. With a Z-score of -1.49 (6.8th percentile), this represents mild atrophy. ",
  "text_data": "Age is 83.2 years. Gender is Male. Education: 12 years. MMSE: 24.0. MoCA: 19.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The data shows significant ventricular enlargement (Z-score 2.98) and profound entorhinal cortex atrophy (Z-score -3.71), alongside moderate hippocampal atrophy (Z-score -1.87) and mild atrophy in the fusiform gyrus and middle temporal gyrus. The MMSE (24) and MoCA (19) scores indicate cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: Dementia (likely Alzheimer’s disease)  \nConfidence: High",
  "timestamp": "2025-07-25T21:35:52.449008"
}