{
  "ptid_time": "033_S_0723_2007-08-08",
  "img_path": "/data/qiuhui/data/adni/images/033_S_0723/2007-08-08/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 24,782 mm³, 47.3% below the reference mean. With a Z-score of -1.37 (8.5th percentile), this represents mild atrophy; whole brain volume measures 953,838 mm³, 7.3% below the reference mean. With a Z-score of -0.96 (16.9th percentile), this represents normal volume . ",
  "text_data": "Age is 80.1 years. Gender is Male. Education: 12 years. MMSE: 26.0. Logical Memory: 3.0. APOEε4 alleles: 0.0. Biomarker levels: Amyloid beta: 649.40 pg/mL (normal ); Total tau: 203.00 pg/mL (normal ); Phosphorylated tau: 18.51 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows mild ventricular atrophy but normal whole brain volume, with normal CSF biomarkers (Aβ, T-tau, P-tau) and a normal MMSE score (26/30). No APOE4 risk alleles are present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T05:13:57.359295"
}