{
  "ptid_time": "127_S_6024_2019-12-04",
  "img_path": "/data/qiuhui/data/adni/images/127_S_6024/2019-12-04/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 22,938 mm³, 2.7% above the reference mean. With a Z-score of 0.07 (52.7th percentile), this represents normal volume ; hippocampal volume measures 8,080 mm³, 5.1% above the reference mean. With a Z-score of 0.58 (71.8th percentile), this represents normal volume ; whole brain volume measures 1,114,840 mm³, 8.3% above the reference mean. With a Z-score of 1.04 (85.0th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,543 mm³, 16.7% above the reference mean. With a Z-score of 1.29 (90.2th percentile), this represents mild enlargement; fusiform gyrus volume measures 17,441 mm³, 4.2% below the reference mean. With a Z-score of -0.48 (31.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,094 mm³, 6.9% below the reference mean. With a Z-score of -0.62 (26.8th percentile), this represents normal volume . ",
  "text_data": "Age is 69.4 years. Gender is Female. Education: 16 years. MMSE: 28.0. MoCA: 29.0. Logical Memory: 14.0. APOEε4 alleles: 1.0. Biomarker levels: Flobetaben (FBB): 1.22 SUVR (significant elevated). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** The brain volume measurements are largely within normal ranges or mildly enlarged, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. Cognitive scores (MMSE 28, MoCA 29) are well within the normal range, and the presence of one APOE4 allele does not outweigh the absence of structural or functional deficits.  \n\n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T13:29:49.877709"
}