{
  "ptid_time": "141_S_6061_2019-01-14",
  "img_path": "/data/qiuhui/data/adni/images/141_S_6061/2019-01-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 41,591 mm³, 48.2% above the reference mean. With a Z-score of 1.10 (86.5th percentile), this represents mild enlargement; hippocampal volume measures 6,868 mm³, 3.5% below the reference mean. With a Z-score of -0.32 (37.5th percentile), this represents normal volume ; whole brain volume measures 946,041 mm³, 2.9% below the reference mean. With a Z-score of -0.37 (35.6th percentile), this represents normal volume ; entorhinal cortex volume measures 2,934 mm³, 20.1% below the reference mean. With a Z-score of -1.23 (10.8th percentile), this represents mild atrophy; fusiform gyrus volume measures 17,369 mm³, 2.1% above the reference mean. With a Z-score of 0.19 (57.6th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,148 mm³, 5.1% above the reference mean. With a Z-score of 0.44 (67.1th percentile), this represents normal volume . ",
  "text_data": "Age is 75.5 years. Gender is Female. Education: 16 years. MMSE: 30.0. MoCA: 23.0. Logical Memory: 9.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild ventricular enlargement and mild entorhinal cortex atrophy, but hippocampal and whole brain volumes are within normal limits. The MoCA score of 23 suggests mild cognitive impairment, while the MMSE of 30 is normal, indicating possible early cognitive changes not yet captured by the MMSE.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T17:07:03.646690"
}