{
  "ptid_time": "135_S_6622_2019-10-31",
  "img_path": "/data/qiuhui/data/adni/images/135_S_6622/2019-10-31/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 32,779 mm³, 14.9% below the reference mean. With a Z-score of -0.36 (36.1th percentile), this represents normal volume ; hippocampal volume measures 7,690 mm³, 1.7% above the reference mean. With a Z-score of 0.17 (56.7th percentile), this represents normal volume ; whole brain volume measures 1,035,930 mm³, 4.0% below the reference mean. With a Z-score of -0.52 (30.1th percentile), this represents normal volume ; entorhinal cortex volume measures 3,972 mm³, 3.1% below the reference mean. With a Z-score of -0.21 (41.6th percentile), this represents normal volume ; fusiform gyrus volume measures 17,218 mm³, 8.6% below the reference mean. With a Z-score of -0.73 (23.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,468 mm³, 5.3% above the reference mean. With a Z-score of 0.48 (68.3th percentile), this represents normal volume . ",
  "text_data": "Age is 77.8 years. Gender is Male. Education: 16 years. MMSE: 25.0. MoCA: 22.0. Logical Memory: 11.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) all fall within normal ranges based on Z-scores and percentiles. The MMSE score of 25 and MoCA score of 22 are borderline, suggesting possible mild cognitive impairment, but the structural imaging does not show significant atrophy typical of dementia.  \nDiagnosis: MCI (Mild Cognitive Impairment)  \nConfidence: Medium",
  "timestamp": "2025-07-26T15:53:58.421442"
}