{
  "ptid_time": "057_S_0941_2007-04-25",
  "img_path": "/data/qiuhui/data/adni/images/057_S_0941/2007-04-25/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 66,631 mm³, 137.4% above the reference mean. With a Z-score of 3.15 (99.9th percentile), this represents profound enlargement; hippocampal volume measures 5,566 mm³, 21.8% below the reference mean. With a Z-score of -2.00 (2.3th percentile), this represents moderate atrophy; whole brain volume measures 970,657 mm³, 0.4% below the reference mean. With a Z-score of -0.05 (47.9th percentile), this represents normal volume ; entorhinal cortex volume measures 3,361 mm³, 8.5% below the reference mean. With a Z-score of -0.52 (30.1th percentile), this represents normal volume ; fusiform gyrus volume measures 13,800 mm³, 18.9% below the reference mean. With a Z-score of -1.72 (4.3th percentile), this represents moderate atrophy; middle temporal gyrus volume measures 15,887 mm³, 17.1% below the reference mean. With a Z-score of -1.49 (6.9th percentile), this represents mild atrophy. ",
  "text_data": "Age is 73.8 years. Gender is Female. Education: 14 years. MMSE: 21.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The data shows profound ventricular enlargement (Z-score 3.15) and moderate hippocampal atrophy (Z-score -2.00), along with mild-to-moderate atrophy in the fusiform gyrus and middle temporal gyrus. The MMSE score of 21 indicates cognitive impairment, and the presence of two APOE4 alleles increases Alzheimer's risk.  \nDiagnosis: Dementia (likely Alzheimer's disease)  \nConfidence: High",
  "timestamp": "2025-07-26T08:07:21.391494"
}