{
  "ptid_time": "052_S_1250_2010-05-25",
  "img_path": "/data/qiuhui/data/adni/images/052_S_1250/2010-05-25/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 19,549 mm³, 30.4% below the reference mean. With a Z-score of -0.70 (24.4th percentile), this represents normal volume ; hippocampal volume measures 7,205 mm³, 1.3% above the reference mean. With a Z-score of 0.12 (54.6th percentile), this represents normal volume ; whole brain volume measures 784,710 mm³, 19.5% below the reference mean. With a Z-score of -2.45 (0.7th percentile), this represents significant atrophy; entorhinal cortex volume measures 3,035 mm³, 17.4% below the reference mean. With a Z-score of -1.07 (14.3th percentile), this represents mild atrophy; fusiform gyrus volume measures 16,285 mm³, 4.3% below the reference mean. With a Z-score of -0.39 (34.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 12,784 mm³, 33.3% below the reference mean. With a Z-score of -2.89 (0.2th percentile), this represents significant atrophy. ",
  "text_data": "Age is 76.2 years. Gender is Female. Education: 10 years. MMSE: 28.0. Logical Memory: 10.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The patient shows significant atrophy in whole brain volume and middle temporal gyrus, with mild atrophy in the entorhinal cortex, while hippocampal and ventricular volumes are normal. Despite these structural changes, the MMSE score of 28 is within the normal range, and the absence of APOE4 reduces genetic risk.  \nDiagnosis: Mild Cognitive Impairment (MCI)  \nConfidence: Medium  \n\n(Note: The discrepancy between structural atrophy and preserved cognitive function suggests early-stage MCI, but the high MMSE and lack of APOE4 introduce uncertainty.)",
  "timestamp": "2025-07-26T07:44:49.224613"
}