{
  "ptid_time": "036_S_4715_2012-11-27",
  "img_path": "/data/qiuhui/data/adni/images/036_S_4715/2012-11-27/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 21,501 mm³, 15.5% above the reference mean. With a Z-score of 0.44 (67.1th percentile), this represents normal volume ; whole brain volume measures 944,737 mm³, 9.2% below the reference mean. With a Z-score of -1.10 (13.5th percentile), this represents mild atrophy; entorhinal cortex volume measures 2,372 mm³, 35.8% below the reference mean. With a Z-score of -2.80 (0.3th percentile), this represents significant atrophy; fusiform gyrus volume measures 17,294 mm³, 6.2% below the reference mean. With a Z-score of -0.56 (28.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,784 mm³, 3.6% below the reference mean. With a Z-score of -0.30 (38.2th percentile), this represents normal volume . ",
  "text_data": "Age is 57.2 years. Gender is Female. Education: 18 years. MMSE: 27.0. MoCA: 22.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The data shows significant atrophy in the entorhinal cortex (Z-score -2.80, 0.3rd percentile) and mild whole-brain atrophy (Z-score -1.10, 13.5th percentile), which are early markers of neurodegeneration. The MoCA score of 22 suggests mild cognitive impairment, while the MMSE of 27 is borderline normal.  \n\n**Diagnosis:** **Mild Cognitive Impairment (MCI)**  \n**Confidence:** **Medium** (due to borderline MMSE and lack of APOE4, but strong structural and MoCA evidence of impairment)",
  "timestamp": "2025-07-26T06:17:06.773084"
}