{
  "ptid_time": "037_S_0377_2009-08-17",
  "img_path": "/data/qiuhui/data/adni/images/037_S_0377/2009-08-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 31,313 mm³, 33.4% below the reference mean. With a Z-score of -0.97 (16.6th percentile), this represents normal volume ; hippocampal volume measures 6,617 mm³, 5.0% below the reference mean. With a Z-score of -0.44 (33.2th percentile), this represents normal volume ; whole brain volume measures 1,045,500 mm³, 1.6% above the reference mean. With a Z-score of 0.21 (58.2th percentile), this represents normal volume ; entorhinal cortex volume measures 3,612 mm³, 9.0% below the reference mean. With a Z-score of -0.59 (27.8th percentile), this represents normal volume ; fusiform gyrus volume measures 16,491 mm³, 8.7% below the reference mean. With a Z-score of -0.75 (22.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,486 mm³, 3.4% below the reference mean. With a Z-score of -0.30 (38.0th percentile), this represents normal volume . ",
  "text_data": "Age is 82.3 years. Gender is Male. Education: 16 years. MMSE: 30.0. Logical Memory: 10.0. APOEε4 alleles: 1.0. Biomarker levels: Pittsburgh compound B: 1.76 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, middle temporal gyrus) fall within normal ranges based on Z-scores and percentiles. The MMSE score of 30/30 indicates no cognitive impairment, and while APOE4 is a risk factor, there is no structural or functional evidence of neurodegeneration.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T06:27:21.967112"
}