{
  "ptid_time": "136_S_0579_2007-06-25",
  "img_path": "/data/qiuhui/data/adni/images/136_S_0579/2007-06-25/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,824 mm³, 24.6% above the reference mean. With a Z-score of 0.61 (73.1th percentile), this represents normal volume ; hippocampal volume measures 7,494 mm³, 2.5% below the reference mean. With a Z-score of -0.28 (39.0th percentile), this represents normal volume ; whole brain volume measures 1,114,320 mm³, 8.3% above the reference mean. With a Z-score of 1.03 (84.9th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,322 mm³, 11.0% above the reference mean. With a Z-score of 0.85 (80.3th percentile), this represents normal volume ; fusiform gyrus volume measures 18,499 mm³, 1.6% above the reference mean. With a Z-score of 0.18 (57.1th percentile), this represents normal volume ; middle temporal gyrus volume measures 23,939 mm³, 16.7% above the reference mean. With a Z-score of 1.48 (93.1th percentile), this represents mild enlargement. ",
  "text_data": "Age is 66.4 years. Gender is Female. Education: 18 years. MMSE: 29.0. Logical Memory: 9.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measures, including hippocampal volume (Z-score -0.28, 39th percentile), are within normal ranges, and the MMSE score of 29 is well within the threshold for normal cognition. There are no significant structural or cognitive indicators of impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConf",
  "timestamp": "2025-07-26T16:02:50.871716"
}