{
  "ptid_time": "014_S_6145_2019-04-09",
  "img_path": "/data/qiuhui/data/adni/images/014_S_6145/2019-04-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 31,088 mm³, 10.8% above the reference mean. With a Z-score of 0.25 (59.7th percentile), this represents normal volume ; hippocampal volume measures 6,390 mm³, 10.2% below the reference mean. With a Z-score of -0.93 (17.5th percentile), this represents normal volume ; whole brain volume measures 971,249 mm³, 0.3% below the reference mean. With a Z-score of -0.04 (48.2th percentile), this represents normal volume ; entorhinal cortex volume measures 3,448 mm³, 6.1% below the reference mean. With a Z-score of -0.38 (35.4th percentile), this represents normal volume ; fusiform gyrus volume measures 16,650 mm³, 2.1% below the reference mean. With a Z-score of -0.19 (42.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,753 mm³, 8.3% above the reference mean. With a Z-score of 0.72 (76.3th percentile), this represents normal volume . ",
  "text_data": "Age is 71.3 years. Gender is Female. Education: 16 years. MMSE: 30.0. MoCA: 30.0. Logical Memory: 17.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) fall within normal ranges based on Z-scores and percentiles. Cognitive scores (MMSE and MoCA) are both at the maximum (30.0), indicating no cognitive impairment. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T23:58:51.596863"
}