{
  "ptid_time": "168_S_6059_2019-11-13",
  "img_path": "/data/qiuhui/data/adni/images/168_S_6059/2019-11-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,285 mm³, 13.2% above the reference mean. With a Z-score of 0.33 (62.9th percentile), this represents normal volume ; hippocampal volume measures 8,109 mm³, 5.5% above the reference mean. With a Z-score of 0.62 (73.2th percentile), this represents normal volume ; whole brain volume measures 1,108,830 mm³, 7.7% above the reference mean. With a Z-score of 0.96 (83.2th percentile), this represents normal volume ; entorhinal cortex volume measures 4,840 mm³, 24.3% above the reference mean. With a Z-score of 1.89 (97.0th percentile), this represents moderate enlargement; fusiform gyrus volume measures 19,903 mm³, 9.3% above the reference mean. With a Z-score of 1.05 (85.2th percentile), this represents mild enlargement; middle temporal gyrus volume measures 21,449 mm³, 4.5% above the reference mean. With a Z-score of 0.40 (65.6th percentile), this represents normal volume . ",
  "text_data": "Age is 66.9 years. Gender is Female. Education: 18 years. MMSE: 29.0. MoCA: 29.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.00 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within normal ranges or show mild to moderate enlargement, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. Cognitive scores (MMSE and MoCA) are high, and there is no evidence of amyloid pathology (AV45 normal, APOE4 negative).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T17:17:27.170308"
}