{
  "ptid_time": "094_S_2367_2011-11-10",
  "img_path": "/data/qiuhui/data/adni/images/094_S_2367/2011-11-10/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 129,904 mm³, 237.3% above the reference mean. With a Z-score of 5.68 (100.0th percentile), this represents profound enlargement; hippocampal volume measures 7,360 mm³, 2.6% below the reference mean. With a Z-score of -0.26 (39.9th percentile), this represents normal volume ; whole brain volume measures 1,220,180 mm³, 13.0% above the reference mean. With a Z-score of 1.69 (95.5th percentile), this represents moderate enlargement; entorhinal cortex volume measures 5,328 mm³, 29.9% above the reference mean. With a Z-score of 2.03 (97.9th percentile), this represents significant enlargement; fusiform gyrus volume measures 20,454 mm³, 8.6% above the reference mean. With a Z-score of 0.73 (76.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,602 mm³, 5.9% above the reference mean. With a Z-score of 0.53 (70.3th percentile), this represents normal volume . ",
  "text_data": "Age is 75.2 years. Gender is Male. Education: 20 years. MMSE: 26.0. MoCA: 22.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is profoundly enlarged (Z-score 5.68), which is strongly indicative of neurodegeneration, while hippocampal volume is normal (Z-score -0.26). The MMSE (26) and MoCA (22) scores suggest mild cognitive impairment, and the presence of one APOE4 allele increases Alzheimer's risk.  \nDiagnosis: MCI (likely prodromal Alzheimer's disease)  \nConfidence: Medium (clinical scores and ventricular enlargement support MCI, but hippocampal volume is preserved, which is atypical for early Alzheimer's)",
  "timestamp": "2025-07-26T10:27:49.687462"
}