{
  "ptid_time": "033_S_0723_2008-08-06",
  "img_path": "/data/qiuhui/data/adni/images/033_S_0723/2008-08-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,266 mm³, 46.3% below the reference mean. With a Z-score of -1.34 (9.0th percentile), this represents mild atrophy; whole brain volume measures 935,921 mm³, 9.1% below the reference mean. With a Z-score of -1.19 (11.8th percentile), this represents mild atrophy. ",
  "text_data": "Age is 81.1 years. Gender is Male. Education: 12 years. MMSE: 22.0. Logical Memory: 4.0. APOEε4 alleles: 0.0. Biomarker levels: Amyloid beta: 491.90 pg/mL (mild reduced); Total tau: 193.00 pg/mL (normal ); Phosphorylated tau: 17.16 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "**Reasoning:** The patient shows mild atrophy in both ventricular and whole brain volumes, along with mildly reduced Aβ levels but normal tau markers. The MMSE score of 22 suggests cognitive impairment, but the absence of APOE4 and normal tau levels reduces the likelihood of aggressive progression.  \n**Diagnosis:** **Mild Cognitive Impairment (MCI)**  \n**Confidence:** **Medium** (due to mixed imaging and biomarker findings, but cognitive decline is evident)",
  "timestamp": "2025-07-26T05:14:12.473174"
}