{
  "ptid_time": "100_S_4469_2014-04-16",
  "img_path": "/data/qiuhui/data/adni/images/100_S_4469/2014-04-16/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 7,952 mm³, 0.9% below the reference mean. With a Z-score of -0.09 (46.3th percentile), this represents normal volume . ",
  "text_data": "Age is 68.1 years. Gender is Male. Education: 19 years. MMSE: 30.0. MoCA: 28.0. Logical Memory: 22.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 0.99 SUVR (normal ); Total tau: 388.10 pg/mL (moderate elevated); Phosphorylated tau: 31.24 pg/mL (mild elevated). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume is within normal limits (Z-score -0.09, 46.3th percentile), and cognitive scores (MMSE 30, MoCA 28) are intact. While T-tau and P-tau are mildly/moderately elevated, amyloid PET (AV45) is normal, suggesting no significant Alzheimer's pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:24:59.574131"
}