{
  "ptid_time": "032_S_6211_2019-06-11",
  "img_path": "/data/qiuhui/data/adni/images/032_S_6211/2019-06-11/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 36,225 mm³, 23.0% below the reference mean. With a Z-score of -0.67 (25.2th percentile), this represents normal volume ; hippocampal volume measures 6,650 mm³, 4.6% below the reference mean. With a Z-score of -0.40 (34.6th percentile), this represents normal volume ; whole brain volume measures 1,170,020 mm³, 13.7% above the reference mean. With a Z-score of 1.79 (96.4th percentile), this represents moderate enlargement; entorhinal cortex volume measures 3,745 mm³, 5.6% below the reference mean. With a Z-score of -0.37 (35.6th percentile), this represents normal volume ; fusiform gyrus volume measures 22,397 mm³, 24.0% above the reference mean. With a Z-score of 2.08 (98.1th percentile), this represents significant enlargement; middle temporal gyrus volume measures 21,040 mm³, 4.3% above the reference mean. With a Z-score of 0.39 (65.0th percentile), this represents normal volume . ",
  "text_data": "Age is 81.6 years. Gender is Male. Education: 14 years. MMSE: 30.0. MoCA: 24.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show normal or above-normal values in most regions, including the hippocampus and entorhinal cortex, which are typically affected in Alzheimer's. The MMSE score of 30 is perfect, but the MoCA score of 24 suggests mild cognitive impairment (MCI). However, the absence of APOE4 and lack of significant atrophy reduce Alzheimer's likelihood.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T05:08:17.824903"
}