{
  "ptid_time": "013_S_4579_2013-06-04",
  "img_path": "/data/qiuhui/data/adni/images/013_S_4579/2013-06-04/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 45,049 mm³, 4.2% below the reference mean. With a Z-score of -0.12 (45.2th percentile), this represents normal volume ; whole brain volume measures 960,688 mm³, 6.7% below the reference mean. With a Z-score of -0.87 (19.2th percentile), this represents normal volume ; entorhinal cortex volume measures 3,934 mm³, 0.9% below the reference mean. With a Z-score of -0.06 (47.7th percentile), this represents normal volume ; fusiform gyrus volume measures 16,576 mm³, 8.2% below the reference mean. With a Z-score of -0.71 (23.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,566 mm³, 8.0% below the reference mean. With a Z-score of -0.71 (23.8th percentile), this represents normal volume . ",
  "text_data": "Age is 85.9 years. Gender is Male. Education: 12 years. MMSE: 29.0. MoCA: 25.0. Logical Memory: 12.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements (ventricular, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) all fall within normal ranges, with Z-scores and percentiles indicating no significant atrophy. Cognitive scores (MMSE: 29, MoCA: 25) are within normal limits for age, and the absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T23:32:31.777317"
}