{
  "ptid_time": "022_S_5004_2013-05-22",
  "img_path": "/data/qiuhui/data/adni/images/022_S_5004/2013-05-22/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 9,076 mm³, 13.1% above the reference mean. With a Z-score of 1.31 (90.4th percentile), this represents mild enlargement. ",
  "text_data": "Age is 65.1 years. Gender is Male. Education: 20 years. MMSE: 29.0. MoCA: 25.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The hippocampal volume is mildly enlarged (13.1% above mean, Z-score 1.31), which is atypical for Alzheimer's but not diagnostic. Cognitive scores (MMSE 29, MoCA 25) are borderline for MCI, but the absence of APOE4 and preserved hippocampal volume argue against dementia.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** Medium (MoCA is slightly low, but structural and genetic data support normal cognition)",
  "timestamp": "2025-07-26T02:22:51.517789"
}