{
  "ptid_time": "116_S_4483_2012-08-21",
  "img_path": "/data/qiuhui/data/adni/images/116_S_4483/2012-08-21/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,318 mm³, 4.5% above the reference mean. With a Z-score of 0.10 (54.1th percentile), this represents normal volume ; hippocampal volume measures 7,595 mm³, 6.8% above the reference mean. With a Z-score of 0.62 (73.2th percentile), this represents normal volume ; whole brain volume measures 1,000,730 mm³, 2.7% above the reference mean. With a Z-score of 0.34 (63.2th percentile), this represents normal volume ; entorhinal cortex volume measures 3,496 mm³, 4.8% below the reference mean. With a Z-score of -0.30 (38.4th percentile), this represents normal volume ; fusiform gyrus volume measures 17,249 mm³, 1.4% above the reference mean. With a Z-score of 0.13 (55.0th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,283 mm³, 4.6% below the reference mean. With a Z-score of -0.40 (34.4th percentile), this represents normal volume . ",
  "text_data": "Age is 70.0 years. Gender is Female. Education: 15 years. MMSE: 30.0. MoCA: 23.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are all within normal ranges, with no significant atrophy. The MMSE score of 30 is normal, but the MoCA score of 23 suggests mild cognitive impairment (MCI). The absence of APOE4 reduces genetic risk for Alzheimer's.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T12:12:05.639245"
}