{
  "ptid_time": "127_S_1419_2008-03-05",
  "img_path": "/data/qiuhui/data/adni/images/127_S_1419/2008-03-05/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 41,970 mm³, 9.0% above the reference mean. With a Z-score of 0.21 (58.5th percentile), this represents normal volume ; hippocampal volume measures 7,409 mm³, 2.0% below the reference mean. With a Z-score of -0.19 (42.3th percentile), this represents normal volume ; whole brain volume measures 1,199,760 mm³, 11.2% above the reference mean. With a Z-score of 1.45 (92.6th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,231 mm³, 3.2% above the reference mean. With a Z-score of 0.22 (58.5th percentile), this represents normal volume ; fusiform gyrus volume measures 21,875 mm³, 16.1% above the reference mean. With a Z-score of 1.37 (91.5th percentile), this represents mild enlargement; middle temporal gyrus volume measures 24,341 mm³, 14.1% above the reference mean. With a Z-score of 1.26 (89.7th percentile), this represents mild enlargement. ",
  "text_data": "Age is 78.4 years. Gender is Male. Education: 17 years. MMSE: 28.0. Laboratory findings: Serum Glucose: 136.00 (profound elevated). APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within normal ranges or mildly enlarged, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. The MMSE score of 28 is within the normal range, and while the presence of one APOE4 allele increases Alzheimer's risk, there are no clear cognitive or structural deficits.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to the presence of an APOE4 allele, but no current cognitive or structural abnormalities)",
  "timestamp": "2025-07-26T13:08:18.680411"
}