{
  "ptid_time": "036_S_0656_2007-07-16",
  "img_path": "/data/qiuhui/data/adni/images/036_S_0656/2007-07-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,238 mm³, 39.9% below the reference mean. With a Z-score of -1.16 (12.3th percentile), this represents mild atrophy; hippocampal volume measures 6,024 mm³, 13.5% below the reference mean. With a Z-score of -1.17 (12.1th percentile), this represents mild atrophy; whole brain volume measures 952,892 mm³, 7.4% below the reference mean. With a Z-score of -0.97 (16.6th percentile), this represents normal volume ; entorhinal cortex volume measures 2,741 mm³, 30.9% below the reference mean. With a Z-score of -2.03 (2.1th percentile), this represents significant atrophy; fusiform gyrus volume measures 16,355 mm³, 9.5% below the reference mean. With a Z-score of -0.82 (20.6th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,173 mm³, 9.9% above the reference mean. With a Z-score of 0.89 (81.3th percentile), this represents normal volume . ",
  "text_data": "Age is 83.5 years. Gender is Male. Education: 13 years. MMSE: 23.0. Logical Memory: 1.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild atrophy in the hippocampus and significant atrophy in the entorhinal cortex, both key regions affected in Alzheimer's disease. The MMSE score of 23 suggests mild cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: MCI (likely due to Alzheimer's pathology)  \nConfidence: Medium",
  "timestamp": "2025-07-26T06:02:17.209156"
}