{
  "ptid_time": "021_S_0276_2008-03-13",
  "img_path": "/data/qiuhui/data/adni/images/021_S_0276/2008-03-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,856 mm³, 32.9% below the reference mean. With a Z-score of -0.79 (21.6th percentile), this represents normal volume ; hippocampal volume measures 9,071 mm³, 20.0% above the reference mean. With a Z-score of 1.95 (97.4th percentile), this represents moderate enlargement; whole brain volume measures 1,188,170 mm³, 10.1% above the reference mean. With a Z-score of 1.31 (90.5th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,300 mm³, 4.9% above the reference mean. With a Z-score of 0.33 (62.9th percentile), this represents normal volume ; fusiform gyrus volume measures 20,012 mm³, 6.2% above the reference mean. With a Z-score of 0.53 (70.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 23,970 mm³, 12.3% above the reference mean. With a Z-score of 1.11 (86.6th percentile), this represents mild enlargement. ",
  "text_data": "Age is 72.9 years. Gender is Male. Education: 18 years. MMSE: 30.0. Logical Memory: 13.0. Laboratory findings: Thyroid Stim. Hormone: 4.19 (significant elevated); Total Bilirubin: 1.20 (profound elevated); LDH: 253.00 (profound elevated); Direct Bilirubin: 0.30 (significant elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The brain volume measurements show normal or above-average volumes in all regions, including the hippocampus, which is typically atrophied in Alzheimer's disease. The MMSE score of 30/30 indicates no cognitive impairment, and the absence of APOE4 alleles further reduces Alzheimer's risk.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T01:24:51.052821"
}