{
  "ptid_time": "018_S_4809_2012-06-22",
  "img_path": "/data/qiuhui/data/adni/images/018_S_4809/2012-06-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 60,655 mm³, 57.5% above the reference mean. With a Z-score of 1.38 (91.6th percentile), this represents mild enlargement; hippocampal volume measures 7,783 mm³, 3.0% above the reference mean. With a Z-score of 0.29 (61.4th percentile), this represents normal volume ; whole brain volume measures 1,115,600 mm³, 3.4% above the reference mean. With a Z-score of 0.44 (66.8th percentile), this represents normal volume . ",
  "text_data": "Age is 78.3 years. Gender is Male. Education: 12 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Gastrointestinal; Renal-Genitourinary; Smoking; Major Surgical Procedures. MMSE: 24.0. MoCA: 21.0. Logical Memory: 8.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.31 SUVR (moderate elevated); Amyloid beta: 782.60 pg/mL (normal ); Total tau: 274.70 pg/mL (normal ); Phosphorylated tau: 26.79 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild ventricular enlargement but normal hippocampal and whole brain volumes, suggesting minimal structural brain changes. Cognitive scores (MMSE 24, MoCA 21) indicate mild cognitive impairment, but biomarkers (Aβ, tau) are normal, with only moderate AV45 elevation, suggesting possible non-AD pathology or early-stage changes.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T01:00:00.078036"
}