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Disease / syndrome / tumor / condition
Region of interest
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1. Central giant cell lesion in the anterior mandible
There is a well-defined and multilocular entity present in the anterior mandible, which extends from the mesial surface of the unerupted tooth 33 to unerupted tooth 44. The entity is predominantly low attenuation with the presence of multiple granular and straight septa inside. There has been expansion and thinning of the mandibular buccal cortical plate extending from tooth 33 to tooth 45. The buccal cortical plate adjacent to this area appears to be granular. There is also thinning and endosteal scalloping of the lingual and inferior mandibular cortical plates. The lamina dura and periodontal ligament space of the anterior mandibular teeth adjacent to this entity have been lost. There are small regions of external resorption on the apices of the roots of teeth 41 and 42. This radiographic appearance is compatible with a central giant cell lesion. Biopsy should be considered to confirm.
Axial views of the anterior mandible
These axial cross-sectional images demonstrate the presence of granular bone within and at the periphery of the entity present in the anterior mandible, as well as the presence of a significant expansion of the buccal cortical plate. Note the presence of granular and straight septation adjacent to the apical region of tooth 43.
Mesiodistal views of the anterior mandible
These mesiodistal cross-sectional images demonstrate the extent of the low-attenuation entity with granular septation in the anterior mandible. Note the thinning of the mandibular inferior border adjacent to this entity.
Buccolingual views of the anterior mandible
These buccolingual cross-sectional images demonstrate the thinning, significant expansion and granular appearance of the buccal cortical plate overlying the low-attenuation entity present in the anterior mandible.
Loss of lamina dura and external root resorption on teeth 41 and 42
The lamina dura surrounding the apical region of the anterior mandibular teeth has been lost. There is a discontinuity of the cortical plate of the follicle surrounding the crown of tooth 43. There are small areas of resorption on the apical regions of teeth 41 and 42.