{
  "ptid_time": "099_S_4202_2012-10-22",
  "img_path": "/data/qiuhui/data/adni/images/099_S_4202/2012-10-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 34,929 mm³, 9.3% below the reference mean. With a Z-score of -0.22 (41.2th percentile), this represents normal volume ; hippocampal volume measures 6,988 mm³, 7.6% below the reference mean. With a Z-score of -0.74 (23.1th percentile), this represents normal volume ; whole brain volume measures 1,142,130 mm³, 5.8% above the reference mean. With a Z-score of 0.75 (77.5th percentile), this represents normal volume ; entorhinal cortex volume measures 4,234 mm³, 3.3% above the reference mean. With a Z-score of 0.22 (58.7th percentile), this represents normal volume ; fusiform gyrus volume measures 20,889 mm³, 10.9% above the reference mean. With a Z-score of 0.93 (82.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,347 mm³, 4.7% above the reference mean. With a Z-score of 0.42 (66.4th percentile), this represents normal volume . ",
  "text_data": "Age is 71.5 years. Gender is Male. Education: 18 years. MMSE: 28.0. MoCA: 25.0. Logical Memory: 7.0. APOEε4 alleles: 0.0. ",
  "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 screening scores (MMSE 28, MoCA 25) are also within normal limits for age, and the absence of APOE4 reduces genetic risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:07:05.539221"
}