{
  "ptid_time": "024_S_4169_2012-02-29",
  "img_path": "/data/qiuhui/data/adni/images/024_S_4169/2012-02-29/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 19,940 mm³, 10.7% below the reference mean. With a Z-score of -0.27 (39.4th percentile), this represents normal volume ; hippocampal volume measures 7,660 mm³, 0.3% below the reference mean. With a Z-score of -0.04 (48.6th percentile), this represents normal volume ; whole brain volume measures 1,162,450 mm³, 13.0% above the reference mean. With a Z-score of 1.61 (94.7th percentile), this represents moderate enlargement; entorhinal cortex volume measures 3,197 mm³, 17.9% below the reference mean. With a Z-score of -1.39 (8.3th percentile), this represents mild atrophy; fusiform gyrus volume measures 21,018 mm³, 15.4% above the reference mean. With a Z-score of 1.74 (95.9th percentile), this represents moderate enlargement; middle temporal gyrus volume measures 21,889 mm³, 6.7% above the reference mean. With a Z-score of 0.59 (72.3th percentile), this represents normal volume . ",
  "text_data": "Age is 62.5 years. Gender is Female. Education: 13 years. MMSE: 30.0. MoCA: 22.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The entorhinal cortex shows mild atrophy (Z-score -1.39, 8.3th percentile), which is concerning for early neurodegenerative changes, while other regions are normal or enlarged. The MoCA score of 22 suggests mild cognitive impairment, but the MMSE is normal (30). No APOE4 allele reduces genetic risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T03:18:56.400363"
}