{
  "ptid_time": "137_S_0800_2013-09-06",
  "img_path": "/data/qiuhui/data/adni/images/137_S_0800/2013-09-06/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 5,664 mm³, 18.7% below the reference mean. With a Z-score of -1.62 (5.3th percentile), this represents moderate atrophy. ",
  "text_data": "Age is 81.0 years. Gender is Male. Education: 12 years. MMSE: 25.0. MoCA: 24.0. Logical Memory: 6.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume shows moderate atrophy (Z-score -1.62, 5.3th percentile), which is concerning for neurodegeneration. However, cognitive scores (MMSE 25, MoCA 24) are borderline normal, suggesting possible early cognitive decline but not yet meeting dementia criteria.  \nDiagnosis: **MCI (Mild Cognitive Impairment)**  \nConfidence: **Medium** (Cognitive scores are near-normal, but hippocampal atrophy is significant; APOE4 homozygosity increases AD risk but does not confirm diagnosis alone.)",
  "timestamp": "2025-07-26T16:18:52.770768"
}