{
  "ptid_time": "013_S_2324_2011-10-06",
  "img_path": "/data/qiuhui/data/adni/images/013_S_2324/2011-10-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 12,514 mm³, 32.8% below the reference mean. With a Z-score of -0.94 (17.4th percentile), this represents normal volume ; hippocampal volume measures 7,655 mm³, 2.0% below the reference mean. With a Z-score of -0.27 (39.3th percentile), this represents normal volume ; whole brain volume measures 954,361 mm³, 8.3% below the reference mean. With a Z-score of -0.99 (16.0th percentile), this represents normal volume ; entorhinal cortex volume measures 4,030 mm³, 9.1% above the reference mean. With a Z-score of 0.71 (76.1th percentile), this represents normal volume ; fusiform gyrus volume measures 18,674 mm³, 1.3% above the reference mean. With a Z-score of 0.12 (54.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 17,800 mm³, 13.3% below the reference mean. With a Z-score of -1.10 (13.6th percentile), this represents mild atrophy. ",
  "text_data": "Age is 56.8 years. Gender is Female. Education: 13 years. MMSE: 30.0. MoCA: 22.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges, with only mild atrophy noted in the middle temporal gyrus. The MMSE score of 30 is normal, but the MoCA score of 22 suggests mild cognitive impairment (MCI). The presence of one APOE4 allele increases the risk for Alzheimer's but does not confirm it.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-25T23:29:10.106754"
}