{
  "ptid_time": "067_S_0607_2007-03-13",
  "img_path": "/data/qiuhui/data/adni/images/067_S_0607/2007-03-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 19,624 mm³, 30.1% below the reference mean. With a Z-score of -0.69 (24.5th percentile), this represents normal volume ; hippocampal volume measures 6,510 mm³, 8.5% below the reference mean. With a Z-score of -0.78 (21.8th percentile), this represents normal volume ; whole brain volume measures 892,925 mm³, 8.4% below the reference mean. With a Z-score of -1.06 (14.6th percentile), this represents mild atrophy; entorhinal cortex volume measures 4,021 mm³, 9.5% above the reference mean. With a Z-score of 0.58 (72.0th percentile), this represents normal volume ; fusiform gyrus volume measures 14,315 mm³, 15.9% below the reference mean. With a Z-score of -1.44 (7.4th percentile), this represents mild atrophy; middle temporal gyrus volume measures 18,033 mm³, 5.9% below the reference mean. With a Z-score of -0.51 (30.3th percentile), this represents normal volume . ",
  "text_data": "Age is 78.5 years. Gender is Female. Education: 14 years. MMSE: 30.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume data shows mild atrophy in the whole brain and fusiform gyrus, but other regions (hippocampus, entorhinal cortex, middle temporal gyrus) are within normal ranges. The MMSE score of 30 is intact, and there are no reported cognitive or functional impairments.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to mild atrophy in some regions but no clinical symptoms)",
  "timestamp": "2025-07-26T08:30:42.939428"
}