{
  "ptid_time": "052_S_4944_2018-04-20",
  "img_path": "/data/qiuhui/data/adni/images/052_S_4944/2018-04-20/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,622 mm³, 33.5% below the reference mean. With a Z-score of -0.80 (21.1th percentile), this represents normal volume ; hippocampal volume measures 7,473 mm³, 1.1% below the reference mean. With a Z-score of -0.11 (45.6th percentile), this represents normal volume ; whole brain volume measures 1,003,580 mm³, 7.0% below the reference mean. With a Z-score of -0.91 (18.1th percentile), this represents normal volume ; entorhinal cortex volume measures 4,499 mm³, 9.7% above the reference mean. With a Z-score of 0.66 (74.5th percentile), this represents normal volume ; fusiform gyrus volume measures 19,391 mm³, 2.9% above the reference mean. With a Z-score of 0.25 (59.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,900 mm³, 2.1% below the reference mean. With a Z-score of -0.18 (42.7th percentile), this represents normal volume . ",
  "text_data": "Age is 73.0 years. Gender is Male. Education: 14 years. MMSE: 25.0. MoCA: 23.0. Logical Memory: 9.0. APOEε4 alleles: 1.0. Biomarker levels: Flobetaben (FBB): 1.50 SUVR (profound elevated). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) fall within normal ranges based on Z-scores and percentiles. Cognitive screening scores (MMSE: 25, MoCA: 23) are slightly below optimal but not strongly indicative of impairment. APOE4 carrier status increases Alzheimer's risk but does not confirm pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to borderline cognitive scores and APOE4 status, but normal imaging)",
  "timestamp": "2025-07-26T07:51:41.804067"
}