{
  "ptid_time": "128_S_4745_2012-06-07",
  "img_path": "/data/qiuhui/data/adni/images/128_S_4745/2012-06-07/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 17,420 mm³, 22.0% below the reference mean. With a Z-score of -0.55 (29.1th percentile), this represents normal volume ; hippocampal volume measures 8,026 mm³, 4.4% above the reference mean. With a Z-score of 0.50 (69.1th percentile), this represents normal volume ; whole brain volume measures 1,100,980 mm³, 7.0% above the reference mean. With a Z-score of 0.87 (80.8th percentile), this represents normal volume . ",
  "text_data": "Age is 61.3 years. Gender is Female. Education: 14 years. Handedness: Left. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Smoking; Major Surgical Procedures. MMSE: 28.0. MoCA: 30.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.03 SUVR (normal ); Total tau: 190.90 pg/mL (normal ); Phosphorylated tau: 15.80 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, and whole brain) are within normal ranges, and biomarkers (T-tau, P-tau, AV45) are normal. Cognitive scores (MMSE 28, MoCA 30) are also within normal limits, with no indication of impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T14:05:13.516696"
}