{
  "ptid_time": "020_S_1288_2008-03-03",
  "img_path": "/data/qiuhui/data/adni/images/020_S_1288/2008-03-03/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 11,844 mm³, 60.6% below the reference mean. With a Z-score of -1.44 (7.5th percentile), this represents mild atrophy; hippocampal volume measures 8,534 mm³, 6.3% above the reference mean. With a Z-score of 0.63 (73.6th percentile), this represents normal volume ; whole brain volume measures 1,217,740 mm³, 7.3% above the reference mean. With a Z-score of 1.04 (85.0th percentile), this represents mild enlargement; entorhinal cortex volume measures 3,901 mm³, 8.5% below the reference mean. With a Z-score of -0.59 (27.8th percentile), this represents normal volume ; fusiform gyrus volume measures 21,703 mm³, 9.0% above the reference mean. With a Z-score of 0.75 (77.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 23,164 mm³, 3.4% above the reference mean. With a Z-score of 0.28 (60.9th percentile), this represents normal volume . ",
  "text_data": "Age is 60.9 years. Gender is Male. Education: 20 years. MMSE: 30.0. Logical Memory: 15.0. Laboratory findings: Neutrophils: 43.80 (significant reduced); Monocytes: 9.50 (significant elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain imaging shows mild ventricular atrophy but otherwise normal or above-average volumes in key regions (hippocampus, whole brain, entorhinal cortex, fusiform gyrus, middle temporal gyrus). The MMSE score is perfect (30/30), and there is no APOE4 genetic risk factor. No cognitive deficits are reported.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T01:12:58.252351"
}