{
  "ptid_time": "082_S_1119_2006-12-07",
  "img_path": "/data/qiuhui/data/adni/images/082_S_1119/2006-12-07/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 49,962 mm³, 29.7% above the reference mean. With a Z-score of 0.71 (76.2th percentile), this represents normal volume ; whole brain volume measures 862,797 mm³, 20.1% below the reference mean. With a Z-score of -2.60 (0.5th percentile), this represents significant atrophy. ",
  "text_data": "Age is 76.4 years. Gender is Male. Education: 18 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Respiratory; Musculoskeletal; Gastrointestinal; Renal-Genitourinary; Alcohol Abuse; Smoking; Major Surgical Procedures. MMSE: 29.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows significant whole brain atrophy (Z-score -2.60, 0.5th percentile) despite normal ventricular volume and a high MMSE score (29/30). The absence of APOE4 reduces genetic risk, but the degree of atrophy is concerning for early neurodegenerative changes.  \nDiagnosis: **MCI** (mild cognitive impairment)  \nConfidence: **Medium** (atrophy is severe, but cognitive performance is preserved, suggesting possible preclinical or very early MCI)",
  "timestamp": "2025-07-26T10:00:45.199955"
}