{
  "ptid_time": "027_S_5118_2017-07-18",
  "img_path": "/data/qiuhui/data/adni/images/027_S_5118/2017-07-18/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 39,367 mm³, 40.3% above the reference mean. With a Z-score of 0.92 (82.2th percentile), this represents normal volume ; hippocampal volume measures 7,912 mm³, 11.2% above the reference mean. With a Z-score of 1.03 (84.8th percentile), this represents mild enlargement; whole brain volume measures 968,473 mm³, 0.6% below the reference mean. With a Z-score of -0.08 (46.8th percentile), this represents normal volume ; entorhinal cortex volume measures 3,996 mm³, 8.8% above the reference mean. With a Z-score of 0.54 (70.5th percentile), this represents normal volume ; fusiform gyrus volume measures 16,912 mm³, 0.6% below the reference mean. With a Z-score of -0.05 (47.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,289 mm³, 5.8% above the reference mean. With a Z-score of 0.51 (69.4th percentile), this represents normal volume . ",
  "text_data": "Age is 72.7 years. Gender is Female. Education: 20 years. MMSE: 30.0. MoCA: 30.0. Logical Memory: 18.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.11 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are all within normal ranges or slightly above, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. Cognitive scores (MMSE and MoCA) are perfect (30/30), and there is no evidence of amyloid pathology (AV45 normal).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T04:09:31.306162"
}