{
  "ptid_time": "035_S_0292_2011-04-20",
  "img_path": "/data/qiuhui/data/adni/images/035_S_0292/2011-04-20/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 51,321 mm³, 9.2% above the reference mean. With a Z-score of 0.27 (60.5th percentile), this represents normal volume ; hippocampal volume measures 4,978 mm³, 28.6% below the reference mean. With a Z-score of -2.47 (0.7th percentile), this represents significant atrophy; whole brain volume measures 1,037,670 mm³, 0.8% above the reference mean. With a Z-score of 0.11 (54.3th percentile), this represents normal volume ; entorhinal cortex volume measures 2,112 mm³, 46.8% below the reference mean. With a Z-score of -3.06 (0.1th percentile), this represents profound atrophy; fusiform gyrus volume measures 17,399 mm³, 3.7% below the reference mean. With a Z-score of -0.32 (37.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,439 mm³, 8.6% below the reference mean. With a Z-score of -0.77 (22.1th percentile), this represents normal volume . ",
  "text_data": "Age is 81.4 years. Gender is Male. Education: 16 years. MMSE: 22.0. MoCA: 17.0. Logical Memory: 1.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "**Reasoning:** The data shows significant atrophy in the hippocampus (-2.47 Z-score, 0.7th percentile) and profound atrophy in the entorhinal cortex (-3.06 Z-score, 0.1st percentile), both key regions affected in Alzheimer’s disease. The cognitive scores (MMSE 22, MoCA 17) indicate moderate cognitive impairment, consistent with dementia.  \n\n**Diagnosis:** Dementia (likely Alzheimer’s disease)  \n**Confidence:** High",
  "timestamp": "2025-07-26T05:46:22.126383"
}