{
  "ptid_time": "116_S_0382_2012-06-29",
  "img_path": "/data/qiuhui/data/adni/images/116_S_0382/2012-06-29/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 35,980 mm³, 2.7% below the reference mean. With a Z-score of -0.07 (47.1th percentile), this represents normal volume ; hippocampal volume measures 6,752 mm³, 4.0% above the reference mean. With a Z-score of 0.32 (62.4th percentile), this represents normal volume ; whole brain volume measures 936,712 mm³, 0.9% above the reference mean. With a Z-score of 0.11 (54.4th percentile), this represents normal volume ; entorhinal cortex volume measures 3,793 mm³, 9.5% above the reference mean. With a Z-score of 0.52 (69.7th percentile), this represents normal volume ; fusiform gyrus volume measures 17,397 mm³, 8.0% above the reference mean. With a Z-score of 0.60 (72.6th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,619 mm³, 3.3% above the reference mean. With a Z-score of 0.29 (61.5th percentile), this represents normal volume . ",
  "text_data": "Age is 81.5 years. Gender is Female. Education: 20 years. MMSE: 30.0. MoCA: 30.0. Logical Memory: 19.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are within normal ranges, with Z-scores close to or above the mean. Cognitive assessments (MMSE and MoCA) are both at the maximum score of 30, indicating no cognitive impairment. The absence of APOE4 alleles further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:53:47.546055"
}