{
  "ptid_time": "128_S_4599_2012-03-17",
  "img_path": "/data/qiuhui/data/adni/images/128_S_4599/2012-03-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 43,728 mm³, 74.9% above the reference mean. With a Z-score of 0.99 (84.0th percentile), this represents normal volume ; hippocampal volume measures 7,600 mm³.; whole brain volume measures 1,285,280 mm³, 7.8% above the reference mean. With a Z-score of 1.45 (92.6th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,705 mm³, 17.5% above the reference mean. With a Z-score of 1.54 (93.8th percentile), this represents moderate enlargement; fusiform gyrus volume measures 22,083 mm³, 5.9% above the reference mean. With a Z-score of 0.90 (81.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 24,411 mm³.. ",
  "text_data": "Age is 59.9 years. Gender is Male. Education: 16 years. Handedness: Right. Race: More than one race. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Dermatologic-Connective Tissue; Musculoskeletal; Endocrine-Metabolic; Allergies or Drug Sensitivities; Malignancy. MMSE: 30.0. MoCA: 30.0. Logical Memory: 19.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.05 SUVR (normal ); Amyloid beta: 772.80 pg/mL (normal ); Total tau: 166.60 pg/mL (normal ); Phosphorylated tau: 15.80 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are either normal or enlarged compared to reference means, with no significant atrophy. Biomarkers (Aβ, T-tau, P-tau, AV45) are normal, and cognitive scores (MMSE, MoCA) are unimpaired.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T14:02:20.128119"
}