{
  "ptid_time": "082_S_4090_2012-07-09",
  "img_path": "/data/qiuhui/data/adni/images/082_S_4090/2012-07-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,048 mm³, 29.8% below the reference mean. With a Z-score of -0.71 (23.8th percentile), this represents normal volume ; hippocampal volume measures 7,694 mm³, 1.8% above the reference mean. With a Z-score of 0.17 (56.9th percentile), this represents normal volume ; whole brain volume measures 1,076,590 mm³, 0.3% below the reference mean. With a Z-score of -0.03 (48.7th percentile), this represents normal volume ; entorhinal cortex volume measures 3,969 mm³, 3.2% below the reference mean. With a Z-score of -0.22 (41.4th percentile), this represents normal volume ; fusiform gyrus volume measures 19,053 mm³, 1.1% above the reference mean. With a Z-score of 0.10 (53.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,279 mm³, 0.3% below the reference mean. With a Z-score of -0.03 (49.0th percentile), this represents normal volume . ",
  "text_data": "Age is 72.4 years. Gender is Male. Education: 20 years. MMSE: 30.0. MoCA: 28.0. Logical Memory: 20.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, middle temporal gyrus) are within normal ranges based on Z-scores and percentiles. Cognitive assessments (MMSE: 30, MoCA: 28) are also normal, and there is no APOE4 genetic risk factor.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T10:05:02.947761"
}