{
  "ptid_time": "021_S_4254_2012-04-11",
  "img_path": "/data/qiuhui/data/adni/images/021_S_4254/2012-04-11/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 5,900 mm³, 9.2% below the reference mean. With a Z-score of -0.73 (23.1th percentile), this represents normal volume . ",
  "text_data": "Age is 86.4 years. Gender is Female. Education: 12 years. MMSE: 29.0. MoCA: 26.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume is slightly below the reference mean but still within the normal range (Z-score -0.73). Cognitive scores (MMSE 29, MoCA 26) are intact, and there is no genetic risk (APOE4 negative).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T01:42:27.624630"
}