{
  "ptid_time": "941_S_4376_2013-01-22",
  "img_path": "/data/qiuhui/data/adni/images/941_S_4376/2013-01-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 32,299 mm³, 15.1% above the reference mean. With a Z-score of 0.35 (63.5th percentile), this represents normal volume ; hippocampal volume measures 7,052 mm³, 0.9% below the reference mean. With a Z-score of -0.08 (46.8th percentile), this represents normal volume ; whole brain volume measures 960,885 mm³, 1.4% below the reference mean. With a Z-score of -0.18 (42.9th percentile), this represents normal volume . ",
  "text_data": "Age is 77.5 years. Gender is Female. Education: 16 years. MMSE: 27.0. MoCA: 26.0. Logical Memory: 17.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes, including ventricular, hippocampal, and whole brain volumes, are within normal ranges based on Z-scores and percentiles. Cognitive scores (MMSE 27, MoCA 26) are also within normal limits for age, and there is no genetic risk factor (APOE4 negative).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T17:39:11.011086"
}