{
  "ptid_time": "009_S_1030_2011-11-14",
  "img_path": "/data/qiuhui/data/adni/images/009_S_1030/2011-11-14/t1.nii.gz",
  "img_finding": "Image findings: hippocampal volume measures 7,617 mm³, 0.8% above the reference mean. With a Z-score of 0.07 (53.0th percentile), this represents normal volume ; whole brain volume measures 1,137,690 mm³, 5.4% above the reference mean. With a Z-score of 0.70 (75.8th percentile), this represents normal volume ; entorhinal cortex volume measures 3,636 mm³, 11.3% below the reference mean. With a Z-score of -0.77 (22.1th percentile), this represents normal volume ; fusiform gyrus volume measures 12,643 mm³, 32.9% below the reference mean. With a Z-score of -2.80 (0.3th percentile), this represents significant atrophy; middle temporal gyrus volume measures 17,131 mm³, 19.7% below the reference mean. With a Z-score of -1.77 (3.8th percentile), this represents moderate atrophy. ",
  "text_data": "Age is 72.4 years. Gender is Male. Education: 20 years. Handedness: Right. Race: White. MMSE: 27.0. MoCA: 18.0. Logical Memory: 10.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The fusiform gyrus and middle temporal gyrus show significant to moderate atrophy, which is concerning for neurodegenerative changes. However, hippocampal and whole brain volumes are normal, and the entorhinal cortex is only mildly reduced. The MMSE is normal, but the MoCA score of 18 suggests mild cognitive impairment (MCI). The absence of APOE4 reduces genetic risk but does not rule out neurodegeneration.  \n\nDiagnosis: **MCI**  \nConfidence: **Medium** (due to conflicting imaging findings—some regions show atrophy while others are preserved—and the discrepancy between MMSE and MoCA scores).",
  "timestamp": "2025-07-25T22:14:58.570576"
}