{
  "ptid_time": "116_S_0382_2008-05-28",
  "img_path": "/data/qiuhui/data/adni/images/116_S_0382/2008-05-28/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,157 mm³, 3.9% above the reference mean. With a Z-score of 0.09 (53.5th percentile), this represents normal volume ; hippocampal volume measures 6,980 mm³, 1.9% below the reference mean. With a Z-score of -0.17 (43.1th percentile), this represents normal volume ; whole brain volume measures 973,593 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 3,518 mm³, 4.2% below the reference mean. With a Z-score of -0.26 (39.8th percentile), this represents normal volume ; fusiform gyrus volume measures 17,547 mm³, 3.1% above the reference mean. With a Z-score of 0.29 (61.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,649 mm³, 2.5% above the reference mean. With a Z-score of 0.22 (58.6th percentile), this represents normal volume . ",
  "text_data": "Age is 77.5 years. Gender is Female. Education: 20 years. MMSE: 29.0. Logical Memory: 11.0. Laboratory findings: Basophils: 0.10 (significant elevated); Neutrophils: 38.50 (significant reduced); Lymphocytes: 47.50 (significant elevated); Basophils: 1.70 (profound elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, middle temporal gyrus) fall within normal ranges (Z-scores close to 0, percentiles near 50). The MMSE score of 29/30 is within the normal range, and the absence of APOE4 alleles further reduces Alzheimer's risk. No significant atrophy or cognitive impairment is evident.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:53:21.606715"
}