{
  "ptid_time": "067_S_0607_2008-11-14",
  "img_path": "/data/qiuhui/data/adni/images/067_S_0607/2008-11-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 22,324 mm³, 39.6% below the reference mean. With a Z-score of -1.07 (14.3th percentile), this represents mild atrophy; hippocampal volume measures 6,209 mm³, 4.4% below the reference mean. With a Z-score of -0.35 (36.2th percentile), this represents normal volume ; whole brain volume measures 888,537 mm³, 4.3% below the reference mean. With a Z-score of -0.51 (30.4th percentile), this represents normal volume ; entorhinal cortex volume measures 3,424 mm³, 1.1% below the reference mean. With a Z-score of -0.06 (47.6th percentile), this represents normal volume ; fusiform gyrus volume measures 14,819 mm³, 8.0% below the reference mean. With a Z-score of -0.60 (27.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,639 mm³, 3.4% above the reference mean. With a Z-score of 0.30 (61.8th percentile), this represents normal volume . ",
  "text_data": "Age is 80.0 years. Gender is Female. Education: 14 years. MMSE: 30.0. Logical Memory: 3.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain imaging shows mild ventricular enlargement but otherwise normal volumes in key regions (hippocampus, entorhinal cortex, fusiform gyrus, and middle temporal gyrus). The MMSE score of 30 is intact, and while APOE4 is a risk factor, there are no significant structural or cognitive deficits.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T08:31:11.922379"
}