{
  "ptid_time": "036_S_4878_2013-02-05",
  "img_path": "/data/qiuhui/data/adni/images/036_S_4878/2013-02-05/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 7,164 mm³, 0.7% above the reference mean. With a Z-score of 0.06 (52.5th percentile), this represents normal volume ; whole brain volume measures 894,108 mm³, 8.3% below the reference mean. With a Z-score of -1.04 (14.9th percentile), this represents mild atrophy; entorhinal cortex volume measures 3,823 mm³, 4.1% above the reference mean. With a Z-score of 0.25 (59.9th percentile), this represents normal volume ; fusiform gyrus volume measures 19,526 mm³, 14.8% above the reference mean. With a Z-score of 1.34 (91.1th percentile), this represents mild enlargement; middle temporal gyrus volume measures 17,596 mm³, 8.2% below the reference mean. With a Z-score of -0.71 (23.8th percentile), this represents normal volume . ",
  "text_data": "Age is 73.4 years. Gender is Female. Education: 14 years. MMSE: 29.0. MoCA: 29.0. Laboratory findings: Vitamin B12: 949.00 (significant elevated); Hematocrit: 33.00 (significant reduced); Hemoglobin: 11.40 (significant reduced); Total Protein: 8.00 (significant elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The hippocampal and entorhinal cortex volumes are within normal ranges, while the whole brain shows mild atrophy. Cognitive scores (MMSE and MoCA) are intact, and there is no APOE4 genetic risk factor. The mild whole-brain atrophy is not accompanied by significant cognitive decline or biomarker abnormalities.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (due to mild whole-brain atrophy, but no cognitive impairment or other concerning biomarkers)",
  "timestamp": "2025-07-26T06:19:00.687765"
}