{
  "ptid_time": "002_S_1155_2008-01-16",
  "img_path": "/data/qiuhui/data/adni/images/002_S_1155/2008-01-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 41,904 mm³, 67.6% above the reference mean. With a Z-score of 0.90 (81.5th percentile), this represents normal volume ; hippocampal volume measures 8,325 mm³.; whole brain volume measures 1,129,010 mm³, 5.3% below the reference mean. With a Z-score of -0.98 (16.4th percentile), this represents normal volume ; entorhinal cortex volume measures 3,524 mm³, 12.0% below the reference mean. With a Z-score of -1.05 (14.7th percentile), this represents mild atrophy; fusiform gyrus volume measures 21,876 mm³, 5.0% above the reference mean. With a Z-score of 0.75 (77.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,835 mm³.. ",
  "text_data": "Age is 58.8 years. Gender is Male. Education: 20 years. MMSE: 27.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume (8,325 mm³) and entorhinal cortex volume (3,524 mm³) show mild atrophy (Z-score -1.05, 14.7th percentile), while other brain regions are within normal ranges. The MMSE score of 27 is borderline but still within normal limits for cognitive function.  \nDiagnosis: Mild Cognitive Impairment (MCI)  \nConfidence: Medium",
  "timestamp": "2025-07-25T20:10:51.174718"
}