{
  "ptid_time": "002_S_4654_2018-05-22",
  "img_path": "/data/qiuhui/data/adni/images/002_S_4654/2018-05-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 54,489 mm³, 47.4% above the reference mean. With a Z-score of 1.28 (90.0th percentile), this represents mild enlargement; hippocampal volume measures 5,702 mm³, 12.2% below the reference mean. With a Z-score of -0.98 (16.4th percentile), this represents normal volume ; whole brain volume measures 1,091,440 mm³, 17.6% above the reference mean. With a Z-score of 2.11 (98.3th percentile), this represents significant enlargement; entorhinal cortex volume measures 2,674 mm³, 22.8% below the reference mean. With a Z-score of -1.23 (10.9th percentile), this represents mild atrophy; fusiform gyrus volume measures 17,129 mm³, 6.3% above the reference mean. With a Z-score of 0.48 (68.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,834 mm³, 4.5% above the reference mean. With a Z-score of 0.40 (65.5th percentile), this represents normal volume . ",
  "text_data": "Age is 81.4 years. Gender is Female. Education: 18 years. MMSE: 26.0. MoCA: 23.0. Logical Memory: 1.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The data shows mild ventricular enlargement and mild entorhinal cortex atrophy, but hippocampal volume is normal. Cognitive scores (MMSE 26, MoCA 23) are borderline, suggesting possible mild cognitive impairment rather than dementia. The absence of APOE4 reduces genetic risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-25T20:30:45.987257"
}