{
  "ptid_time": "020_S_0899_2009-11-16",
  "img_path": "/data/qiuhui/data/adni/images/020_S_0899/2009-11-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 38,536 mm³, 4.3% above the reference mean. With a Z-score of 0.11 (54.6th percentile), this represents normal volume ; hippocampal volume measures 5,954 mm³, 8.3% below the reference mean. With a Z-score of -0.67 (25.2th percentile), this represents normal volume ; whole brain volume measures 850,864 mm³, 8.3% below the reference mean. With a Z-score of -1.00 (15.9th percentile), this represents normal volume ; entorhinal cortex volume measures 3,208 mm³, 7.4% below the reference mean. With a Z-score of -0.40 (34.6th percentile), this represents normal volume ; fusiform gyrus volume measures 14,970 mm³, 7.1% below the reference mean. With a Z-score of -0.53 (29.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 16,241 mm³, 9.9% below the reference mean. With a Z-score of -0.88 (18.9th percentile), this represents normal volume . ",
  "text_data": "Age is 83.1 years. Gender is Female. Education: 16 years. MMSE: 29.0. Logical Memory: 13.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements, including hippocampal and entorhinal cortex volumes, are within normal ranges (Z-scores between -1.00 and 0.11). The MMSE score of 29.0 is normal, and there is no APOE4 genetic risk factor. No significant atrophy or cognitive impairment is evident.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T01:12:19.275415"
}