{
  "ptid_time": "035_S_6730_2019-06-18",
  "img_path": "/data/qiuhui/data/adni/images/035_S_6730/2019-06-18/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,797 mm³, 33.0% below the reference mean. With a Z-score of -0.79 (21.4th percentile), this represents normal volume ; whole brain volume measures 1,017,560 mm³, 5.7% below the reference mean. With a Z-score of -0.74 (22.9th percentile), this represents normal volume . ",
  "text_data": "Age is 73.9 years. Gender is Male. Education: 14 years. Handedness: Left. Race: Black or African American. MMSE: 29.0. MoCA: 27.0. Logical Memory: 9.0. Biomarker levels: Florbetapir (AV45): 0.99 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements (ventricular and whole brain) are within normal ranges, and the cognitive test scores (MMSE 29, MoCA 27) are well above typical thresholds for impairment. The AV45 scan (amyloid PET) is also normal, suggesting no significant amyloid pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T06:00:40.398496"
}