{
  "ptid_time": "068_S_0210_2006-09-27",
  "img_path": "/data/qiuhui/data/adni/images/068_S_0210/2006-09-27/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 12,576 mm³, 55.2% below the reference mean. With a Z-score of -1.26 (10.3th percentile), this represents mild atrophy; hippocampal volume measures 7,574 mm³, 6.5% above the reference mean. With a Z-score of 0.59 (72.3th percentile), this represents normal volume ; whole brain volume measures 970,574 mm³, 0.4% below the reference mean. With a Z-score of -0.05 (47.9th percentile), this represents normal volume ; entorhinal cortex volume measures 3,841 mm³, 4.6% above the reference mean. With a Z-score of 0.28 (61.1th percentile), this represents normal volume ; fusiform gyrus volume measures 16,308 mm³, 4.1% below the reference mean. With a Z-score of -0.38 (35.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,874 mm³, 1.5% below the reference mean. With a Z-score of -0.13 (44.7th percentile), this represents normal volume . ",
  "text_data": "Age is 72.9 years. Gender is Female. Education: 13 years. MMSE: 30.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume data shows mild ventricular atrophy but otherwise normal volumes in key regions (hippocampus, entorhinal cortex, fusiform gyrus, middle temporal gyrus). The MMSE score of 30 is intact, and there is no APOE4 genetic risk factor.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T08:46:19.539771"
}