{
  "ptid_time": "116_S_4092_2012-01-13",
  "img_path": "/data/qiuhui/data/adni/images/116_S_4092/2012-01-13/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 6,803 mm³, 4.7% above the reference mean. With a Z-score of 0.38 (64.8th percentile), this represents normal volume ; whole brain volume measures 1,051,620 mm³, 13.3% above the reference mean. With a Z-score of 1.60 (94.5th percentile), this represents moderate enlargement; entorhinal cortex volume measures 3,397 mm³, 1.9% below the reference mean. With a Z-score of -0.10 (45.9th percentile), this represents normal volume ; fusiform gyrus volume measures 19,666 mm³, 22.1% above the reference mean. With a Z-score of 1.66 (95.1th percentile), this represents moderate enlargement; middle temporal gyrus volume measures 19,296 mm³, 7.0% above the reference mean. With a Z-score of 0.63 (73.4th percentile), this represents normal volume . ",
  "text_data": "Age is 82.0 years. Gender is Female. Education: 14 years. MMSE: 27.0. MoCA: 26.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** The hippocampal and entorhinal cortex volumes are within normal ranges, and the whole brain, fusiform gyrus, and middle temporal gyrus volumes are either normal or enlarged. Cognitive scores (MMSE 27, MoCA 26) are within normal limits for age, and there is no APOE4 genetic risk factor.  \n\n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T12:07:22.082978"
}