{
  "ptid_time": "068_S_4340_2015-10-19",
  "img_path": "/data/qiuhui/data/adni/images/068_S_4340/2015-10-19/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 8,543 mm³, 11.2% above the reference mean. With a Z-score of 1.25 (89.5th percentile), this represents mild enlargement. ",
  "text_data": "Age is 69.7 years. Gender is Female. Education: 16 years. MMSE: 28.0. MoCA: 28.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume is mildly enlarged (11.2% above mean, Z-score 1.25), which is atypical for Alzheimer's but not indicative of neurodegeneration. Cognitive scores (MMSE 28, MoCA 28) are within normal range, and the absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T09:01:47.632613"
}