{
  "ptid_time": "116_S_4043_2011-12-09",
  "img_path": "/data/qiuhui/data/adni/images/116_S_4043/2011-12-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 32,556 mm³, 30.8% below the reference mean. With a Z-score of -0.89 (18.6th percentile), this represents normal volume ; hippocampal volume measures 7,983 mm³, 14.6% above the reference mean. With a Z-score of 1.26 (89.6th percentile), this represents mild enlargement; whole brain volume measures 1,083,470 mm³, 5.3% above the reference mean. With a Z-score of 0.69 (75.5th percentile), this represents normal volume ; entorhinal cortex volume measures 4,683 mm³, 18.0% above the reference mean. With a Z-score of 1.18 (88.1th percentile), this represents mild enlargement; fusiform gyrus volume measures 18,632 mm³, 3.1% above the reference mean. With a Z-score of 0.27 (60.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,889 mm³, 1.4% below the reference mean. With a Z-score of -0.13 (45.0th percentile), this represents normal volume . ",
  "text_data": "Age is 82.6 years. Gender is Male. Education: 20 years. MMSE: 28.0. MoCA: 23.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges or even mildly enlarged, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. The MMSE score of 28 is normal, but the MoCA score of 23 suggests mild cognitive impairment (MCI), though APOE4-negative status lowers Alzheimer's risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T12:06:16.381811"
}