{
  "ptid_time": "128_S_0522_2008-06-02",
  "img_path": "/data/qiuhui/data/adni/images/128_S_0522/2008-06-02/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 52,261 mm³, 35.7% above the reference mean. With a Z-score of 0.85 (80.4th percentile), this represents normal volume ; hippocampal volume measures 7,354 mm³, 2.7% below the reference mean. With a Z-score of -0.26 (39.6th percentile), this represents normal volume ; whole brain volume measures 1,044,780 mm³, 3.2% below the reference mean. With a Z-score of -0.42 (33.9th percentile), this represents normal volume ; entorhinal cortex volume measures 4,434 mm³, 8.1% above the reference mean. With a Z-score of 0.55 (70.9th percentile), this represents normal volume ; fusiform gyrus volume measures 16,152 mm³, 14.3% below the reference mean. With a Z-score of -1.21 (11.2th percentile), this represents mild atrophy; middle temporal gyrus volume measures 20,574 mm³, 3.6% below the reference mean. With a Z-score of -0.32 (37.4th percentile), this represents normal volume . ",
  "text_data": "Age is 71.9 years. Gender is Male. Education: 17 years. MMSE: 30.0. Logical Memory: 17.0. Laboratory findings: Total Bilirubin: 1.40 (profound elevated); Direct Bilirubin: 0.30 (significant elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** The brain volume measurements show mostly normal values, with only mild atrophy in the fusiform gyrus (Z-score -1.21, 11.2th percentile). The hippocampal volume is within normal limits (Z-score -0.26), and the MMSE score of 30 is intact. No significant cognitive impairment is evident.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T13:46:03.132104"
}