{
  "ptid_time": "014_S_0328_2006-03-22",
  "img_path": "/data/qiuhui/data/adni/images/014_S_0328/2006-03-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 35,255 mm³, 8.5% below the reference mean. With a Z-score of -0.20 (42.0th percentile), this represents normal volume ; whole brain volume measures 961,204 mm³, 11.0% below the reference mean. With a Z-score of -1.42 (7.8th percentile), this represents mild atrophy. ",
  "text_data": "Age is 76.6 years. Gender is Male. Education: 17 years. Handedness: Right. Race: White. Medical history: Psychiatric; Neurologic; Head, Eyes, Ears, Nose and Throat; Dermatologic-Connective Tissue; Musculoskeletal; Gastrointestinal; Major Surgical Procedures. MMSE: 24.0. Logical Memory: 8.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy (Z-score -1.42, 7.8th percentile) but normal ventricular volume. The MMSE score of 24 is borderline, and the presence of one APOE4 allele increases Alzheimer's risk. These findings suggest early cognitive decline but not yet severe enough for dementia.  \nDiagnosis: MCI (Mild Cognitive Impairment)  \nConfidence: Medium",
  "timestamp": "2025-07-25T23:39:34.203711"
}