{
  "ptid_time": "094_S_2201_2014-02-04",
  "img_path": "/data/qiuhui/data/adni/images/094_S_2201/2014-02-04/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 30,723 mm³, 37.5% above the reference mean. With a Z-score of 0.94 (82.6th percentile), this represents normal volume ; hippocampal volume measures 7,662 mm³, 0.3% below the reference mean. With a Z-score of -0.03 (48.7th percentile), this represents normal volume ; whole brain volume measures 1,025,950 mm³, 0.3% below the reference mean. With a Z-score of -0.04 (48.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,958 mm³, 1.7% above the reference mean. With a Z-score of 0.13 (55.2th percentile), this represents normal volume ; fusiform gyrus volume measures 18,459 mm³, 1.4% above the reference mean. With a Z-score of 0.15 (56.1th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,338 mm³, 0.9% below the reference mean. With a Z-score of -0.08 (46.9th percentile), this represents normal volume . ",
  "text_data": "Age is 66.7 years. Gender is Female. Education: 18 years. MMSE: 30.0. MoCA: 26.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. Biomarker levels: Amyloid beta: 1449.00 pg/mL (mild elevated); Total tau: 222.80 pg/mL (normal ); Phosphorylated tau: 19.43 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are all within normal ranges, with Z-scores close to zero. The MMSE score of 30 is normal, and the MoCA score of 26 is borderline but still within the normal range for MCI. Aβ is mildly elevated, but T-tau and P-tau are normal, suggesting no significant Alzheimer's pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to borderline MoCA and mildly elevated Aβ, but otherwise normal biomarkers and cognitive scores)",
  "timestamp": "2025-07-26T10:25:25.075907"
}