{
  "ptid_time": "027_S_6582_2018-10-09",
  "img_path": "/data/qiuhui/data/adni/images/027_S_6582/2018-10-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 32,349 mm³, 7.7% above the reference mean. With a Z-score of 0.18 (57.3th percentile), this represents normal volume ; hippocampal volume measures 8,318 mm³, 3.6% above the reference mean. With a Z-score of 0.36 (64.1th percentile), this represents normal volume ; whole brain volume measures 1,183,030 mm³, 4.3% above the reference mean. With a Z-score of 0.60 (72.7th percentile), this represents normal volume ; entorhinal cortex volume measures 5,772 mm³, 35.4% above the reference mean. With a Z-score of 2.45 (99.3th percentile), this represents significant enlargement; fusiform gyrus volume measures 22,935 mm³, 15.2% above the reference mean. With a Z-score of 1.26 (89.7th percentile), this represents mild enlargement; middle temporal gyrus volume measures 23,996 mm³, 7.1% above the reference mean. With a Z-score of 0.58 (72.0th percentile), this represents normal volume . ",
  "text_data": "Age is 67.1 years. Gender is Male. Education: 14 years. Handedness: Right. Race: White. MMSE: 29.0. MoCA: 27.0. Logical Memory: 5.0. APOEε4 alleles: 1.0. Biomarker levels: Flobetaben (FBB): 0.98 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measures, including hippocampal and ventricular volumes, are within normal ranges, with no significant atrophy typically seen in Alzheimer's disease. The MMSE (29/30) and MoCA (27/30) scores are within normal limits, indicating no significant cognitive impairment. The APOE4 allele (heterozygous) is a risk factor but does not confirm pathology.  \n\nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T04:13:56.607187"
}