{
  "ptid_time": "127_S_5200_2013-09-24",
  "img_path": "/data/qiuhui/data/adni/images/127_S_5200/2013-09-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 45,006 mm³, 60.3% above the reference mean. With a Z-score of 1.38 (91.6th percentile), this represents mild enlargement; hippocampal volume measures 8,063 mm³, 13.3% above the reference mean. With a Z-score of 1.22 (88.9th percentile), this represents mild enlargement; whole brain volume measures 1,025,030 mm³, 5.2% above the reference mean. With a Z-score of 0.65 (74.2th percentile), this represents normal volume . ",
  "text_data": "Age is 76.4 years. Gender is Female. Education: 18 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Respiratory; Dermatologic-Connective Tissue; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Allergies or Drug Sensitivities; Malignancy; Major Surgical Procedures. MMSE: 30.0. MoCA: 27.0. Logical Memory: 13.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 0.96 SUVR (normal ); Amyloid beta: 1112.00 pg/mL (normal ); Total tau: 111.30 pg/mL (moderate reduced); Phosphorylated tau: 9.63 pg/mL (moderate reduced). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes show mild enlargement in ventricular and hippocampal regions but are within normal ranges for age. Cognitive scores (MMSE 30, MoCA 27) are normal, and biomarkers (Aβ normal, reduced tau) do not indicate Alzheimer's pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T13:27:59.584217"
}