{
  "ptid_time": "013_S_1186_2012-02-16",
  "img_path": "/data/qiuhui/data/adni/images/013_S_1186/2012-02-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 43,352 mm³, 7.8% below the reference mean. With a Z-score of -0.23 (41.0th percentile), this represents normal volume ; hippocampal volume measures 6,459 mm³, 7.3% below the reference mean. With a Z-score of -0.63 (26.4th percentile), this represents normal volume ; whole brain volume measures 1,062,740 mm³, 3.3% above the reference mean. With a Z-score of 0.43 (66.6th percentile), this represents normal volume ; entorhinal cortex volume measures 3,351 mm³, 15.6% below the reference mean. With a Z-score of -1.02 (15.4th percentile), this represents mild atrophy; fusiform gyrus volume measures 18,635 mm³, 3.2% above the reference mean. With a Z-score of 0.27 (60.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,171 mm³, 5.0% below the reference mean. With a Z-score of -0.44 (32.8th percentile), this represents normal volume . ",
  "text_data": "Age is 88.2 years. Gender is Male. Education: 12 years. MMSE: 26.0. MoCA: 19.0. Logical Memory: 3.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within normal ranges, with only mild atrophy noted in the entorhinal cortex (Z-score -1.02, 15.4th percentile). The MMSE score of 26 is borderline normal, but the MoCA score of 19 suggests mild cognitive impairment (MCI). The absence of APOE4 reduces genetic risk for Alzheimer's, but age remains a significant factor.  \n\nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-25T23:26:24.069249"
}