{
  "ptid_time": "168_S_6049_2020-10-12",
  "img_path": "/data/qiuhui/data/adni/images/168_S_6049/2020-10-12/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,813 mm³, 8.0% below the reference mean. With a Z-score of -0.18 (42.7th percentile), this represents normal volume ; hippocampal volume measures 6,535 mm³, 8.1% below the reference mean. With a Z-score of -0.75 (22.8th percentile), this represents normal volume ; whole brain volume measures 981,806 mm³, 0.7% above the reference mean. With a Z-score of 0.09 (53.7th percentile), this represents normal volume ; entorhinal cortex volume measures 3,164 mm³, 13.9% below the reference mean. With a Z-score of -0.85 (19.8th percentile), this represents normal volume ; fusiform gyrus volume measures 16,999 mm³, 0.1% below the reference mean. With a Z-score of -0.01 (49.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,779 mm³, 3.2% above the reference mean. With a Z-score of 0.28 (60.9th percentile), this represents normal volume . ",
  "text_data": "Age is 75.4 years. Gender is Female. Education: 18 years. MMSE: 29.0. MoCA: 27.0. Logical Memory: 9.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.28 SUVR (moderate elevated). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are all within normal ranges, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. Cognitive scores (MMSE 29, MoCA 27) are also within normal limits, and while APOE4 is present and AV45 shows moderate elevation, there is no clear evidence of cognitive impairment or neurodegeneration.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to moderate AV45 elevation, but normal cognitive and structural findings)",
  "timestamp": "2025-07-26T17:17:10.077758"
}