{
  "ptid_time": "007_S_1222_2012-04-20",
  "img_path": "/data/qiuhui/data/adni/images/007_S_1222/2012-04-20/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 22,417 mm³, 20.1% below the reference mean. With a Z-score of -0.46 (32.2th percentile), this represents normal volume ; whole brain volume measures 819,034 mm³, 16.0% below the reference mean. With a Z-score of -2.01 (2.2th percentile), this represents significant atrophy. ",
  "text_data": "Age is 78.4 years. Gender is Female. Education: 16 years. Handedness: Right. Race: Black or African American. Medical history: Psychiatric; Neurologic; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Respiratory; Musculoskeletal; Hematopoietic-Lymphatic; Allergies or Drug Sensitivities; Smoking; Major Surgical Procedures. MMSE: 30.0. MoCA: 24.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The patient shows significant whole brain atrophy (Z-score -2.01, 2.2nd percentile) but normal ventricular volume. Despite intact MMSE (30/30), the MoCA (24/30) suggests mild cognitive impairment. No APOE4 allele reduces Alzheimer's risk but doesn't rule it out.  \nDiagnosis: **MCI**  \nConfidence: **Medium** (atrophy and MoCA support MCI, but high MMSE and lack of APOE4 introduce uncertainty)",
  "timestamp": "2025-07-25T21:54:22.637757"
}