{
  "ptid_time": "023_S_0217_2006-02-21",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0217/2006-02-21/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,883 mm³, 24.6% below the reference mean. With a Z-score of -0.66 (25.4th percentile), this represents normal volume ; whole brain volume measures 913,716 mm³, 1.6% below the reference mean. With a Z-score of -0.19 (42.6th percentile), this represents normal volume . ",
  "text_data": "Age is 83.6 years. Gender is Female. Education: 18 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Gastrointestinal; Major Surgical Procedures. MMSE: 27.0. Logical Memory: 1.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 27 is within the normal range for cognitive function. The absence of APOE4 alleles further reduces the likelihood of Alzheimer's pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T02:38:33.177230"
}