{
  "ptid_time": "127_S_6173_2020-03-04",
  "img_path": "/data/qiuhui/data/adni/images/127_S_6173/2020-03-04/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 22,049 mm³, 21.4% below the reference mean. With a Z-score of -0.49 (31.2th percentile), this represents normal volume ; hippocampal volume measures 7,756 mm³, 9.0% above the reference mean. With a Z-score of 0.83 (79.6th percentile), this represents normal volume ; whole brain volume measures 1,178,300 mm³, 20.9% above the reference mean. With a Z-score of 2.63 (99.6th percentile), this represents significant enlargement; entorhinal cortex volume measures 4,127 mm³, 12.4% above the reference mean. With a Z-score of 0.76 (77.6th percentile), this represents normal volume ; fusiform gyrus volume measures 20,156 mm³, 18.5% above the reference mean. With a Z-score of 1.68 (95.4th percentile), this represents moderate enlargement; middle temporal gyrus volume measures 24,205 mm³, 26.3% above the reference mean. With a Z-score of 2.28 (98.9th percentile), this represents significant enlargement. ",
  "text_data": "Age is 72.4 years. Gender is Female. Education: 16 years. MMSE: 29.0. MoCA: 24.0. Logical Memory: 6.0. APOEε4 alleles: 0.0. Biomarker levels: Flobetaben (FBB): 1.25 SUVR (significant elevated). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show normal or above-normal volumes in all regions, including the hippocampus and entorhinal cortex, which are typically affected in Alzheimer's. The MMSE score of 29 is within the normal range, and the MoCA score of 24 is borderline but not strongly indicative of cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \n\nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T13:30:22.367943"
}