{
  "ptid_time": "027_S_2245_2018-01-03",
  "img_path": "/data/qiuhui/data/adni/images/027_S_2245/2018-01-03/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 21,839 mm³, 2.2% below the reference mean. With a Z-score of -0.06 (47.8th percentile), this represents normal volume ; hippocampal volume measures 7,974 mm³, 3.8% above the reference mean. With a Z-score of 0.42 (66.4th percentile), this represents normal volume ; whole brain volume measures 989,401 mm³, 3.9% below the reference mean. With a Z-score of -0.48 (31.5th percentile), this represents normal volume ; entorhinal cortex volume measures 4,241 mm³, 8.9% above the reference mean. With a Z-score of 0.69 (75.6th percentile), this represents normal volume ; fusiform gyrus volume measures 17,624 mm³, 3.2% below the reference mean. With a Z-score of -0.36 (35.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,346 mm³, 4.0% above the reference mean. With a Z-score of 0.36 (64.0th percentile), this represents normal volume . ",
  "text_data": "Age is 64.0 years. Gender is Female. Education: 20 years. MMSE: 30.0. MoCA: 28.0. Logical Memory: 11.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are within normal ranges based on Z-scores and percentiles. Cognitive assessments (MMSE: 30, MoCA: 28) indicate no impairment, despite the presence of two APOE4 alleles, which is a risk factor but not diagnostic.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T03:55:05.560958"
}