{
  "ptid_time": "072_S_4383_2012-12-17",
  "img_path": "/data/qiuhui/data/adni/images/072_S_4383/2012-12-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,323 mm³, 26.5% below the reference mean. With a Z-score of -0.63 (26.3th percentile), this represents normal volume ; hippocampal volume measures 6,937 mm³, 8.2% below the reference mean. With a Z-score of -0.80 (21.1th percentile), this represents normal volume ; whole brain volume measures 1,099,270 mm³, 1.8% above the reference mean. With a Z-score of 0.24 (59.4th percentile), this represents normal volume ; entorhinal cortex volume measures 4,227 mm³, 3.1% above the reference mean. With a Z-score of 0.21 (58.3th percentile), this represents normal volume ; fusiform gyrus volume measures 18,953 mm³, 0.6% above the reference mean. With a Z-score of 0.05 (52.1th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,403 mm³, 5.0% above the reference mean. With a Z-score of 0.45 (67.3th percentile), this represents normal volume . ",
  "text_data": "Age is 73.0 years. Gender is Male. Education: 18 years. MMSE: 29.0. MoCA: 29.0. Logical Memory: 17.0. 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 scores (MMSE and MoCA) are also in the normal range, and there is no APOE4 genetic risk factor.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T09:20:00.242090"
}