{
  "ptid_time": "032_S_4386_2013-01-31",
  "img_path": "/data/qiuhui/data/adni/images/032_S_4386/2013-01-31/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,830 mm³, 30.1% below the reference mean. With a Z-score of -0.81 (20.8th percentile), this represents normal volume ; hippocampal volume measures 6,240 mm³, 3.9% below the reference mean. With a Z-score of -0.31 (37.7th percentile), this represents normal volume ; whole brain volume measures 959,640 mm³, 3.4% above the reference mean. With a Z-score of 0.41 (65.8th percentile), this represents normal volume . ",
  "text_data": "Age is 85.7 years. Gender is Female. Education: 16 years. MMSE: 27.0. MoCA: 27.0. Logical Memory: 14.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular, hippocampal, and whole brain) are within normal ranges, and cognitive scores (MMSE and MoCA) are also normal for age. The absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T05:04:45.986615"
}