{
  "ptid_time": "005_S_0553_2006-06-14",
  "img_path": "/data/qiuhui/data/adni/images/005_S_0553/2006-06-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 35,471 mm³, 24.6% below the reference mean. With a Z-score of -0.71 (23.8th percentile), this represents normal volume ; whole brain volume measures 1,028,340 mm³, 0.1% below the reference mean. With a Z-score of -0.01 (49.6th percentile), this represents normal volume . ",
  "text_data": "Age is 84.6 years. Gender is Male. Education: 18 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Dermatologic-Connective Tissue; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Renal-Genitourinary; Major Surgical Procedures. MMSE: 30.0. Logical Memory: 22.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 30 indicates no cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T21:09:00.730383"
}