{
  "ptid_time": "109_S_4499_2012-10-02",
  "img_path": "/data/qiuhui/data/adni/images/109_S_4499/2012-10-02/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 30,898 mm³, 34.3% below the reference mean. With a Z-score of -1.00 (16.0th percentile), this represents normal volume ; hippocampal volume measures 7,635 mm³, 9.6% above the reference mean. With a Z-score of 0.83 (79.6th percentile), this represents normal volume ; whole brain volume measures 1,091,860 mm³, 6.1% above the reference mean. With a Z-score of 0.80 (78.8th percentile), this represents normal volume ; entorhinal cortex volume measures 4,269 mm³, 7.6% above the reference mean. With a Z-score of 0.49 (69.0th percentile), this represents normal volume ; fusiform gyrus volume measures 24,210 mm³, 34.0% above the reference mean. With a Z-score of 2.94 (99.8th percentile), this represents significant enlargement; middle temporal gyrus volume measures 23,615 mm³, 17.1% above the reference mean. With a Z-score of 1.53 (93.7th percentile), this represents moderate enlargement. ",
  "text_data": "Age is 84.3 years. Gender is Male. Education: 20 years. MMSE: 30.0. MoCA: 25.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex) are within normal ranges or even above average, with no significant atrophy. The MMSE score of 30 is normal, while the MoCA score of 25 suggests mild cognitive inefficiency but not impairment. No APOE4 risk allele is present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:34:17.630518"
}