{
  "ptid_time": "022_S_6069_2019-12-10",
  "img_path": "/data/qiuhui/data/adni/images/022_S_6069/2019-12-10/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 33,896 mm³, 20.8% above the reference mean. With a Z-score of 0.48 (68.3th percentile), this represents normal volume ; hippocampal volume measures 8,441 mm³, 18.6% above the reference mean. With a Z-score of 1.71 (95.6th percentile), this represents moderate enlargement; whole brain volume measures 1,134,910 mm³, 16.4% above the reference mean. With a Z-score of 2.07 (98.1th percentile), this represents significant enlargement; entorhinal cortex volume measures 4,911 mm³, 33.7% above the reference mean. With a Z-score of 2.07 (98.1th percentile), this represents significant enlargement; fusiform gyrus volume measures 18,896 mm³, 11.1% above the reference mean. With a Z-score of 1.01 (84.3th percentile), this represents mild enlargement; middle temporal gyrus volume measures 20,652 mm³, 7.7% above the reference mean. With a Z-score of 0.67 (74.9th percentile), this represents normal volume . ",
  "text_data": "Age is 76.1 years. Gender is Female. Education: 18 years. MMSE: 29.0. MoCA: 29.0. Logical Memory: 18.0. APOEε4 alleles: 1.0. Biomarker levels: Flobetaben (FBB): 1.60 SUVR (profound elevated). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume data shows significant enlargement in whole brain and entorhinal cortex volumes, with moderate enlargement in the hippocampus and mild enlargement in the fusiform gyrus. Cognitive scores (MMSE and MoCA) are within the normal range, and APOE4 status (heterozygous) does not strongly indicate high risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium",
  "timestamp": "2025-07-26T02:24:03.739605"
}