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Table 1: 
Diagnostic criteria of MR imaging and CT in evaluating tumor invasion into the mandible
Mandibular cortical invasion
    MRI, CT: Defect of the cortical bone adjacent to the tumor mass
Bone marrow involvement
    MRI: Abnormal signal intensity of bone marrow* contiguous to the cortical defect
    CT: Trabecular disruption contiguous to the cortical defect
Inferior alveolar canal involvement
    MRI, CT: Bone marrow involvement reaching the inferior alveolar canal
  • * Hypointense on T1-weighted and hyperintense on fat-suppressed T2-weighted image, with enhancement after contrast administration.