{
  "ptid_time": "127_S_0260_2011-05-13",
  "img_path": "/data/qiuhui/data/adni/images/127_S_0260/2011-05-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,802 mm³, 24.8% below the reference mean. With a Z-score of -0.67 (25.2th percentile), this represents normal volume ; whole brain volume measures 848,555 mm³, 8.6% below the reference mean. With a Z-score of -1.03 (15.2th percentile), this represents mild atrophy. ",
  "text_data": "Age is 83.6 years. Gender is Female. Education: 13 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Musculoskeletal; Allergies or Drug Sensitivities; Malignancy; Major Surgical Procedures. MMSE: 29.0. MoCA: 23.0. Logical Memory: 14.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 0.97 SUVR (normal ); Amyloid beta: 1559.00 pg/mL (mild elevated); Total tau: 199.20 pg/mL (normal ); Phosphorylated tau: 15.77 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The patient shows mild whole brain atrophy but normal ventricular volume. Cognitive testing reveals a discrepancy between MMSE (normal) and MoCA (mild impairment), with normal biomarkers except for mildly elevated Aβ, suggesting possible early neurodegenerative changes but not definitive dementia.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T12:58:39.527308"
}