{
  "ptid_time": "036_S_0673_2010-12-07",
  "img_path": "/data/qiuhui/data/adni/images/036_S_0673/2010-12-07/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 34,721 mm³, 26.2% below the reference mean. With a Z-score of -0.76 (22.4th percentile), this represents normal volume ; whole brain volume measures 931,146 mm³, 9.5% below the reference mean. With a Z-score of -1.25 (10.6th percentile), this represents mild atrophy. ",
  "text_data": "Age is 82.2 years. Gender is Male. Education: 16 years. Handedness: Right. Race: White. Medical history: Cardiovascular; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Renal-Genitourinary; Allergies or Drug Sensitivities; Malignancy; Major Surgical Procedures. MMSE: 25.0. MoCA: 13.0. Logical Memory: 0.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy (Z-score -1.25) but normal ventricular volume. Cognitive testing reveals a significant discrepancy between MMSE (25/30, borderline normal) and MoCA (13/30, impaired), with APOE4 homozygosity increasing Alzheimer's risk.  \nDiagnosis: Dementia (likely Alzheimer's type)  \nConfidence: Medium (imaging shows only mild atrophy, but MoCA is strongly impaired and APOE4 status increases likelihood)",
  "timestamp": "2025-07-26T06:04:02.453164"
}