{
  "ptid_time": "141_S_1255_2007-09-18",
  "img_path": "/data/qiuhui/data/adni/images/141_S_1255/2007-09-18/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,603 mm³, 1.9% above the reference mean. With a Z-score of 0.04 (51.7th percentile), this represents normal volume ; whole brain volume measures 767,098 mm³, 21.3% below the reference mean. With a Z-score of -2.68 (0.4th percentile), this represents significant atrophy. ",
  "text_data": "Age is 76.9 years. Gender is Female. Education: 16 years. MMSE: 29.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The whole brain volume shows significant atrophy (Z-score -2.68, 21.3% below the reference mean), which is concerning for neurodegeneration. However, the MMSE score of 29 is within the normal range, and there is no APOE4 risk allele present.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T16:57:28.497485"
}