{
  "ptid_time": "129_S_0778_2006-08-14",
  "img_path": "/data/qiuhui/data/adni/images/129_S_0778/2006-08-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,040 mm³, 24.6% below the reference mean. With a Z-score of -0.59 (27.8th percentile), this represents normal volume ; whole brain volume measures 1,000,980 mm³, 7.3% below the reference mean. With a Z-score of -0.94 (17.3th percentile), this represents normal volume . ",
  "text_data": "Age is 72.4 years. Gender is Male. Education: 13 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Respiratory; Dermatologic-Connective Tissue; Musculoskeletal; Hematopoietic-Lymphatic; Renal-Genitourinary; Allergies or Drug Sensitivities; Smoking; Major Surgical Procedures. MMSE: 28.0. Logical Memory: 9.0. APOEε4 alleles: 1.0. Biomarker levels: Amyloid beta: 668.20 pg/mL (normal ); Total tau: 218.70 pg/mL (normal ); Phosphorylated tau: 20.65 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the biomarkers (Aβ, T-tau, P-tau) are normal. The MMSE score of 28 is within the normal range, indicating no significant cognitive impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T14:08:58.847564"
}