{
  "ptid_time": "037_S_0377_2007-06-18",
  "img_path": "/data/qiuhui/data/adni/images/037_S_0377/2007-06-18/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,774 mm³, 36.7% below the reference mean. With a Z-score of -1.07 (14.3th percentile), this represents mild atrophy; hippocampal volume measures 6,854 mm³, 1.6% below the reference mean. With a Z-score of -0.14 (44.4th percentile), this represents normal volume ; whole brain volume measures 1,046,000 mm³, 1.6% above the reference mean. With a Z-score of 0.21 (58.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,685 mm³, 7.2% below the reference mean. With a Z-score of -0.47 (32.0th percentile), this represents normal volume ; fusiform gyrus volume measures 16,861 mm³, 6.7% below the reference mean. With a Z-score of -0.58 (28.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,960 mm³, 1.0% below the reference mean. With a Z-score of -0.09 (46.3th percentile), this represents normal volume . ",
  "text_data": "Age is 80.3 years. Gender is Male. Education: 16 years. MMSE: 28.0. Logical Memory: 7.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume analysis shows mild ventricular atrophy but otherwise normal volumes in key regions (hippocampus, entorhinal cortex, fusiform gyrus, middle temporal gyrus). The MMSE score of 28 is within the normal range, and the APOE4 status (heterozygous) does not strongly indicate high risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (mild ventricular atrophy could warrant monitoring, but no significant cognitive or structural deficits are present)",
  "timestamp": "2025-07-26T06:27:06.109750"
}