{
  "ptid_time": "022_S_0096_2008-02-29",
  "img_path": "/data/qiuhui/data/adni/images/022_S_0096/2008-02-29/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 80,875 mm³, 72.0% above the reference mean. With a Z-score of 2.09 (98.2th percentile), this represents significant enlargement; hippocampal volume measures 7,070 mm³, 1.5% above the reference mean. With a Z-score of 0.13 (55.0th percentile), this represents normal volume ; whole brain volume measures 1,028,140 mm³, 0.1% below the reference mean. With a Z-score of -0.01 (49.5th percentile), this represents normal volume ; entorhinal cortex volume measures 4,109 mm³, 3.5% above the reference mean. With a Z-score of 0.23 (59.1th percentile), this represents normal volume ; fusiform gyrus volume measures 17,117 mm³, 5.3% below the reference mean. With a Z-score of -0.45 (32.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,007 mm³, 0.8% below the reference mean. With a Z-score of -0.07 (47.1th percentile), this represents normal volume . ",
  "text_data": "Age is 81.6 years. Gender is Male. Education: 20 years. MMSE: 28.0. Logical Memory: 23.0. Laboratory findings: Creatine Kinase: 435.00 (profound elevated); AST (SGOT): 34.00 (significant elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** The data shows significant ventricular enlargement (98.2th percentile), which is often associated with brain atrophy, but hippocampal and whole brain volumes are within normal ranges. The MMSE score of 28 is normal, and there is no APOE4 risk allele.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** Medium (ventricular enlargement raises some concern, but other markers and cognitive performance suggest normal aging)",
  "timestamp": "2025-07-26T02:00:30.557960"
}