Polyostotic fibrous dysplasia of the mandible and bony nasal septum with intracranial expansion

Fibrous dysplasia; Nasal cavity; Skull base; Endoscopic sinus surgery Abstract Fibrous dysplasia is an uncommon benign tumour in the nasal cavity. Due to adjacent vital soft tissue structures surgery is often the treatment of choice. We report a rare case of polyostotic fibrous dysplasia of the mandible and the ethmoid bone including nasal bony septum with intracranial expansion, and include a review of the literature. The tumour was successfully resected using a combined transnasal and craniotomy approach. Fibrous dysplasia is a rare benign tumour in the head and neck region, which often limits its growth during the follow-up period. Careful monitoring of the patient is necessary because in some rare cases there can be severe symptoms due to the growth of the tumour, which are indications of immediate surgery in the head and neck region. 2015 Egyptian Society of Ear, Nose, Throat and Allied Sciences. Production and hosting by Elsevier B.V. All rights reserved.