{
  "ptid_time": "072_S_2164_2011-12-05",
  "img_path": "/data/qiuhui/data/adni/images/072_S_2164/2011-12-05/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 16,440 mm³, 41.4% below the reference mean. With a Z-score of -0.95 (17.1th percentile), this represents normal volume ; hippocampal volume measures 7,773 mm³, 9.3% above the reference mean. With a Z-score of 0.85 (80.2th percentile), this represents normal volume ; whole brain volume measures 1,081,470 mm³, 11.0% above the reference mean. With a Z-score of 1.38 (91.6th percentile), this represents mild enlargement; entorhinal cortex volume measures 3,528 mm³, 3.9% below the reference mean. With a Z-score of -0.24 (40.4th percentile), this represents normal volume ; fusiform gyrus volume measures 22,265 mm³, 30.9% above the reference mean. With a Z-score of 2.81 (99.8th percentile), this represents significant enlargement; middle temporal gyrus volume measures 19,978 mm³, 4.2% above the reference mean. With a Z-score of 0.37 (64.3th percentile), this represents normal volume . ",
  "text_data": "Age is 71.9 years. Gender is Female. Education: 16 years. MMSE: 28.0. MoCA: 22.0. Logical Memory: 13.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The brain volume measurements are largely within or above normal ranges, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. The MoCA score of 22 suggests mild cognitive impairment, but the MMSE of 28 is within normal limits, and there is no APOE4 risk allele.  \n**Diagnosis:** MCI (Mild Cognitive Impairment)  \n**Confidence:** Medium (due to conflicting cognitive scores and lack of structural atrophy)",
  "timestamp": "2025-07-26T09:14:35.544571"
}