{
  "ptid_time": "010_S_4345_2013-03-12",
  "img_path": "/data/qiuhui/data/adni/images/010_S_4345/2013-03-12/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,444 mm³, 28.7% below the reference mean. With a Z-score of -0.69 (24.6th percentile), this represents normal volume ; hippocampal volume measures 9,817 mm³, 29.9% above the reference mean. With a Z-score of 2.91 (99.8th percentile), this represents significant enlargement; whole brain volume measures 1,079,220 mm³, 0.0% below the reference mean. With a Z-score of -0.00 (49.9th percentile), this represents normal volume ; entorhinal cortex volume measures 3,897 mm³, 5.0% below the reference mean. With a Z-score of -0.34 (36.8th percentile), this represents normal volume ; fusiform gyrus volume measures 18,605 mm³, 1.2% below the reference mean. With a Z-score of -0.11 (45.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 26,628 mm³, 24.8% above the reference mean. With a Z-score of 2.23 (98.7th percentile), this represents significant enlargement. ",
  "text_data": "Age is 70.7 years. Gender is Male. Education: 20 years. MMSE: 28.0. MoCA: 28.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show normal or above-normal volumes in key regions, including significant hippocampal enlargement (Z-score 2.91) and middle temporal gyrus enlargement (Z-score 2.23). Cognitive scores (MMSE 28, MoCA 28) are within normal range, and APOE4 status is negative, further supporting no significant cognitive impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T22:35:11.706628"
}