{
  "ptid_time": "014_S_6424_2018-08-15",
  "img_path": "/data/qiuhui/data/adni/images/014_S_6424/2018-08-15/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,030 mm³, 21.0% above the reference mean. With a Z-score of 0.53 (70.0th percentile), this represents normal volume ; hippocampal volume measures 8,049 mm³, 4.7% above the reference mean. With a Z-score of 0.53 (70.3th percentile), this represents normal volume ; whole brain volume measures 1,148,500 mm³, 11.6% above the reference mean. With a Z-score of 1.44 (92.6th percentile), this represents mild enlargement; entorhinal cortex volume measures 3,944 mm³, 1.3% above the reference mean. With a Z-score of 0.10 (54.0th percentile), this represents normal volume ; fusiform gyrus volume measures 18,758 mm³, 3.0% above the reference mean. With a Z-score of 0.34 (63.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,607 mm³, 0.4% above the reference mean. With a Z-score of 0.04 (51.5th percentile), this represents normal volume . ",
  "text_data": "Age is 65.8 years. Gender is Female. Education: 16 years. MMSE: 30.0. MoCA: 30.0. Logical Memory: 20.0. APOEε4 alleles: 0.0. Biomarker levels: Flobetaben (FBB): 1.09 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** All brain volumes (hippocampal, entorhinal cortex, fusiform gyrus, middle temporal gyrus) are within normal ranges or slightly above the reference mean, with no significant atrophy. Cognitive scores (MMSE 30, MoCA 30) are intact, and there is no APOE4 genetic risk factor.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-25T23:59:29.539930"
}