{
  "ptid_time": "109_S_4455_2015-04-09",
  "img_path": "/data/qiuhui/data/adni/images/109_S_4455/2015-04-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,849 mm³, 3.9% below the reference mean. With a Z-score of -0.09 (46.3th percentile), this represents normal volume ; hippocampal volume measures 7,457 mm³, 7.1% below the reference mean. With a Z-score of -0.71 (23.9th percentile), this represents normal volume ; whole brain volume measures 1,127,590 mm³, 0.6% below the reference mean. With a Z-score of -0.09 (46.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,988 mm³, 6.4% below the reference mean. With a Z-score of -0.45 (32.8th percentile), this represents normal volume ; fusiform gyrus volume measures 20,464 mm³, 2.8% above the reference mean. With a Z-score of 0.23 (59.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,254 mm³, 0.7% below the reference mean. With a Z-score of -0.06 (47.7th percentile), this represents normal volume . ",
  "text_data": "Age is 67.2 years. Gender is Male. Education: 18 years. MMSE: 30.0. MoCA: 29.0. Logical Memory: 11.0. 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, with Z-scores close to zero or slightly below but still within normal percentiles. Cognitive scores (MMSE: 30, MoCA: 29) are intact, and there is no APOE4 genetic risk factor.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T11:34:04.873785"
}