{
  "ptid_time": "011_S_4547_2012-09-12",
  "img_path": "/data/qiuhui/data/adni/images/011_S_4547/2012-09-12/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 49,676 mm³, 29.0% above the reference mean. With a Z-score of 0.69 (75.6th 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 1,103,230 mm³, 2.2% above the reference mean. With a Z-score of 0.29 (61.3th percentile), this represents normal volume ; entorhinal cortex volume measures 3,745 mm³, 8.7% below the reference mean. With a Z-score of -0.59 (27.8th percentile), this represents normal volume ; fusiform gyrus volume measures 18,515 mm³, 1.7% below the reference mean. With a Z-score of -0.15 (44.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,212 mm³, 0.6% below the reference mean. With a Z-score of -0.05 (47.9th percentile), this represents normal volume . ",
  "text_data": "Age is 77.8 years. Gender is Male. Education: 18 years. MMSE: 30.0. MoCA: 23.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are all within normal ranges, with no significant atrophy. The MMSE score of 30 is normal, but the MoCA score of 23 suggests mild cognitive impairment (MCI). The absence of APOE4 reduces genetic risk for Alzheimer’s.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-25T22:58:44.259242"
}