{
  "ptid_time": "037_S_0501_2012-04-18",
  "img_path": "/data/qiuhui/data/adni/images/037_S_0501/2012-04-18/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 42,651 mm³, 9.3% below the reference mean. With a Z-score of -0.27 (39.4th percentile), this represents normal volume ; whole brain volume measures 912,895 mm³, 11.3% below the reference mean. With a Z-score of -1.48 (6.9th percentile), this represents mild atrophy. ",
  "text_data": "Age is 83.9 years. Gender is Male. Education: 13 years. Handedness: Right. Race: White. Medical history: Cardiovascular; Respiratory; Dermatologic-Connective Tissue; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Renal-Genitourinary; Allergies or Drug Sensitivities; Major Surgical Procedures. MMSE: 28.0. MoCA: 22.0. Logical Memory: 0.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy (Z-score -1.48, 6.9th percentile) but normal ventricular volume. Cognitive testing reveals a normal MMSE (28/30) but borderline MoCA (22/30), which may suggest subtle cognitive impairment. The absence of APOE4 reduces genetic risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T06:30:56.663919"
}