{
  "ptid_time": "036_S_2380_2015-08-19",
  "img_path": "/data/qiuhui/data/adni/images/036_S_2380/2015-08-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,704 mm³, 33.3% below the reference mean. With a Z-score of -0.80 (21.3th percentile), this represents normal volume ; hippocampal volume measures 7,297 mm³, 3.5% below the reference mean. With a Z-score of -0.34 (36.8th percentile), this represents normal volume ; whole brain volume measures 1,252,790 mm³, 16.1% above the reference mean. With a Z-score of 2.09 (98.1th percentile), this represents significant enlargement; entorhinal cortex volume measures 3,435 mm³, 16.2% below the reference mean. With a Z-score of -1.10 (13.6th percentile), this represents mild atrophy; fusiform gyrus volume measures 21,221 mm³, 12.6% above the reference mean. With a Z-score of 1.08 (85.9th percentile), this represents mild enlargement; middle temporal gyrus volume measures 21,778 mm³, 2.1% above the reference mean. With a Z-score of 0.18 (57.3th percentile), this represents normal volume . ",
  "text_data": "Age is 71.8 years. Gender is Male. Education: 16 years. MMSE: 26.0. MoCA: 24.0. Logical Memory: 8.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The hippocampal and ventricular volumes are within normal ranges, but the entorhinal cortex shows mild atrophy (Z-score -1.10, 13.6th percentile), which is concerning for early neurodegenerative changes. The MMSE (26) and MoCA (24) scores are borderline, suggesting possible mild cognitive impairment, especially given the APOE4 homozygosity (high genetic risk).  \n\nDiagnosis: **MCI**  \nConfidence: **Medium** (due to borderline cognitive scores and entorhinal atrophy, but lack of significant hippocampal atrophy or clear functional decline)",
  "timestamp": "2025-07-26T06:11:57.103652"
}