{
  "ptid_time": "941_S_6254_2020-09-02",
  "img_path": "/data/qiuhui/data/adni/images/941_S_6254/2020-09-02/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,294 mm³, 12.4% below the reference mean. With a Z-score of -0.30 (38.4th percentile), this represents normal volume ; hippocampal volume measures 7,743 mm³, 3.5% below the reference mean. With a Z-score of -0.35 (36.2th percentile), this represents normal volume ; whole brain volume measures 1,025,940 mm³, 9.6% below the reference mean. With a Z-score of -1.35 (8.8th percentile), this represents mild atrophy; entorhinal cortex volume measures 4,523 mm³, 6.1% above the reference mean. With a Z-score of 0.42 (66.4th percentile), this represents normal volume ; fusiform gyrus volume measures 21,757 mm³, 9.3% above the reference mean. With a Z-score of 0.77 (78.0th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,106 mm³, 14.7% below the reference mean. With a Z-score of -1.21 (11.2th percentile), this represents mild atrophy. ",
  "text_data": "Age is 69.7 years. Gender is Male. Education: 14 years. MMSE: 27.0. MoCA: 22.0. Logical Memory: 9.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain imaging shows mild atrophy in the whole brain and middle temporal gyrus, but other regions (hippocampus, entorhinal cortex, fusiform gyrus) are within normal ranges. Cognitive testing reveals a borderline MoCA score (22/30), which is concerning for mild cognitive impairment, while the MMSE (27/30) is within normal limits.  \nDiagnosis: MCI (Mild Cognitive Impairment)  \nConfidence:",
  "timestamp": "2025-07-26T17:46:26.482408"
}