{
  "ptid_time": "941_S_1195_2012-03-21",
  "img_path": "/data/qiuhui/data/adni/images/941_S_1195/2012-03-21/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 43,293 mm³, 7.9% below the reference mean. With a Z-score of -0.23 (40.9th percentile), this represents normal volume ; hippocampal volume measures 6,307 mm³, 9.5% below the reference mean. With a Z-score of -0.82 (20.6th percentile), this represents normal volume ; whole brain volume measures 1,038,020 mm³, 0.9% above the reference mean. With a Z-score of 0.11 (54.5th percentile), this represents normal volume . ",
  "text_data": "Age is 81.9 years. Gender is Male. Education: 20 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Respiratory; Hepatic; Dermatologic-Connective Tissue; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Hematopoietic-Lymphatic; Renal-Genitourinary; Smoking; Malignancy. MMSE: 30.0. MoCA: 27.0. Logical Memory: 18.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, and whole brain) are within normal ranges, and cognitive scores (MMSE 30, MoCA 27) are intact for age. No significant atrophy or cognitive impairment is present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T17:26:53.838743"
}