Hybrid lesion: central giant cell granuloma and benign fibro-osseous lesion

Hybrid lesions comprise elements of different pathologies in one lesion. Hybrid lesions comprising central giant cell granulomas (CGCG) with fibro-osseous components are rare, with only six maxillomandibular cases reported in the literature. We report a case of a hybrid lesion in a 38-year-old woman...

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Bibliographic Details
Published in:Dento-maxillo-facial radiology 2009-09, Vol.38 (6), p.421-425
Main Authors: Crusoé-Rebello, I, Torres, M G G, Burgos, V, Oliveira, C, Santos, J N dos, Azevedo, R A, Campos, P S F
Format: Article
Language:English
Subjects:
Adult
Dentistry
Female
Fibroma, Ossifying - complications
Fibroma, Ossifying - diagnostic imaging
Granuloma, Giant Cell - complications
Granuloma, Giant Cell - diagnostic imaging
Humans
Mandibular Diseases - diagnostic imaging
Mandibular Neoplasms - diagnostic imaging
Tomography, X-Ray Computed
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Summary:Hybrid lesions comprise elements of different pathologies in one lesion. Hybrid lesions comprising central giant cell granulomas (CGCG) with fibro-osseous components are rare, with only six maxillomandibular cases reported in the literature. We report a case of a hybrid lesion in a 38-year-old woman who presented with a swelling in the mandibular parasymphysis, on the left side. Panoramic and occlusal radiographs and CT showed a mixed lesion with expansion of the buccal cortical plate that pointed to the diagnosis of ossifying fibroma (OF). Complete excision of the lesion was performed, and the anatomopathological examination showed features of both CGCG and a fibro-osseous lesion. Clinical, imaging and histopathological features indicate a hybrid lesion of CGCG and OF. The patient remains asymptomatic after 30 months of follow-up.
ISSN:0250-832X
1476-542X
DOI:10.1259/dmfr/44753298