eRadiograph Volume 7: Imaging of Oral Cavity | Page 14

When there is gross erosion, invasion of inferior alveolar canal or extensive
paramandibular soft tissue, a segmental mandibulectomy is performed where
sections of the mandible are removed. Irradiated and edentulous mandibles, which
do not have adequate height/strength, a segmental mandibulectomy would be
performed rather than a marginal mandibulectomy. Care must be taken not to make a
false positive diagnosis of osseous involvement. This may occur in individuals with
odotogenic disease, cortical erosion and, altered signal inten 6