{
  "ptid_time": "029_S_1318_2010-05-11",
  "img_path": "/data/qiuhui/data/adni/images/029_S_1318/2010-05-11/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 45,429 mm³, 22.9% above the reference mean. With a Z-score of 0.62 (73.2th percentile), this represents normal volume ; whole brain volume measures 858,941 mm³, 7.5% below the reference mean. With a Z-score of -0.90 (18.5th percentile), this represents normal volume . ",
  "text_data": "Age is 85.9 years. Gender is Female. Education: 18 years. MMSE: 29.0. Logical Memory: 0.0. APOEε4 alleles: 0.0. Biomarker levels: Amyloid beta: 735.00 pg/mL (normal ); Total tau: 174.80 pg/mL (normal ); Phosphorylated tau: 11.53 pg/mL (mild reduced). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The patient has normal ventricular and whole brain volumes, with only mild reductions in whole brain volume (Z-score -0.90). Cognitive testing (MMSE 29/30) is intact, and biomarkers (Aβ normal, T-tau normal, P-tau mildly reduced) do not suggest Alzheimer's pathology.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T04:24:03.368470"
}