{
  "ptid_time": "941_S_6384_2018-05-30",
  "img_path": "/data/qiuhui/data/adni/images/941_S_6384/2018-05-30/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,499 mm³, 33.8% below the reference mean. With a Z-score of -0.81 (20.9th percentile), this represents normal volume ; hippocampal volume measures 9,503 mm³, 25.7% above the reference mean. With a Z-score of 2.51 (99.4th percentile), this represents significant enlargement; whole brain volume measures 1,266,090 mm³, 17.3% above the reference mean. With a Z-score of 2.25 (98.8th percentile), this represents significant enlargement; entorhinal cortex volume measures 4,560 mm³, 11.2% above the reference mean. With a Z-score of 0.76 (77.6th percentile), this represents normal volume ; fusiform gyrus volume measures 25,002 mm³, 32.7% above the reference mean. With a Z-score of 2.79 (99.7th percentile), this represents significant enlargement; middle temporal gyrus volume measures 28,394 mm³, 33.1% above the reference mean. With a Z-score of 2.97 (99.9th percentile), this represents significant enlargement. ",
  "text_data": "Age is 70.2 years. Gender is Male. Education: 19 years. Handedness: Left. Race: White. MMSE: 28.0. MoCA: 26.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. Biomarker levels: Flobetaben (FBB): 1.00 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume data shows significant enlargement in multiple regions (hippocampus, whole brain, fusiform gyrus, middle temporal gyrus) with normal ventricular and entorhinal cortex volumes. Cognitive scores (MMSE 28, MoCA 26) are within normal ranges, and the absence of APOE4 reduces genetic predisposition to Alzheimer's.  \nDiagnosis: CN (Cognitively Normal)  \nConf",
  "timestamp": "2025-07-26T17:47:27.760799"
}