{
  "ptid_time": "068_S_0473_2019-12-17",
  "img_path": "/data/qiuhui/data/adni/images/068_S_0473/2019-12-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 42,387 mm³, 9.8% below the reference mean. With a Z-score of -0.29 (38.7th percentile), this represents normal volume ; hippocampal volume measures 7,146 mm³, 2.6% above the reference mean. With a Z-score of 0.22 (58.7th percentile), this represents normal volume ; whole brain volume measures 1,074,250 mm³, 4.4% above the reference mean. With a Z-score of 0.57 (71.7th percentile), this represents normal volume ; entorhinal cortex volume measures 6,420 mm³, 61.8% above the reference mean. With a Z-score of 4.04 (100.0th percentile), this represents profound enlargement; fusiform gyrus volume measures 18,251 mm³, 1.0% above the reference mean. With a Z-score of 0.09 (53.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,807 mm³, 8.1% above the reference mean. With a Z-score of 0.73 (76.6th percentile), this represents normal volume . ",
  "text_data": "Age is 86.1 years. Gender is Male. Education: 18 years. MMSE: 29.0. MoCA: 22.0. Logical Memory: 14.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within normal ranges, with the exception of the entorhinal cortex, which shows profound enlargement (Z-score 4.04). The MMSE score of 29 is normal, but the MoCA score of 22 suggests mild cognitive impairment (MCI). The presence of one APOE4 allele increases Alzheimer's risk but is not diagnostic.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T08:49:28.583661"
}