EURORAD ESR

Case 14188

Ossifying fibroma of the mandible

Author(s)
Arne Impens1, Adelard De Backer1, Carine Petré2, Herwig Van Dijck3, Filip Vanhoenacker2, 4, 5

1. Department of radiology, AZ Sint-Lucas Gent, Belgium
2. Department of radiology, General Hospital Sint-Maarten, Duffel-Mechelen, Belgium
3. Department of pathology, General Hospital Sint-Maarten, Duffel-Mechelen, Belgium
4. Department of radiology, Antwerp University Hospital, Antwerp, Belgium
5. Department of radiology, Gent University Hospital, Gent, Belgium
 
Patient
male, 54 year(s)
 
 
  • Figure 1
    Scout view

    Scout view demonstrates relative radiolucency at the left mandibular angle with an indistinct cortical margin (white arrows).

     
    Area of Interest: Bones; Head and neck; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 2
    CBCT Panoramic reformation

    Panoramic reformatted CBCT image of the mandible demonstrates a radiopaque lesion causing inferior displacement of the mandibular canal (white arrows).

     
    Area of Interest: Bones; Head and neck; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 3
    Axial CBCT image

    CBCT of the mandible showing an expansile, well-circumscribed lesion with ground glass appearance and buccolingual expansion in the left mandible (white arrows).

     
    Area of Interest: Head and neck; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 4
    Parasagital reformatted image

    Parasagital reformatted image demonstrates inferior displacement of the mandibular canal (white arrow), buccolingual expansion and ground-glass attenuation.

     
    Area of Interest: Head and neck; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 5
    Histopathological examination

    Histological examination shows mineralized material composed by woven bone, predominantly bordered by osteoblasts and interspersed by cellularized connective tissue (H & E staining).

     
    Area of Interest: Head and neck; Imaging Technique: Percutaneous; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
Scout view demonstrates relative radiolucency at the left mandibular angle with an indistinct cortical margin (white arrows).
 
Panoramic reformatted CBCT image of the mandible demonstrates a radiopaque lesion causing inferior displacement of the mandibular canal (white arrows).
 
CBCT of the mandible showing an expansile, well-circumscribed lesion with ground glass appearance and buccolingual expansion in the left mandible (white arrows).
 
Parasagital reformatted image demonstrates inferior displacement of the mandibular canal (white arrow), buccolingual expansion and ground-glass attenuation.
 
Histological examination shows mineralized material composed by woven bone, predominantly bordered by osteoblasts and interspersed by cellularized connective tissue (H & E staining).
 
 
 
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