Article
Brown tumor of nasal bone: A case report and a literature review
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Authors
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Ahmed Hussein
- Cairo University School of Medicine, Cairo, Egypt
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Hussam Elbosraty
- Cairo University teaching hospital, Cairo, Egypt
| Published: | March 26, 2015 |
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Outline
Text
Introduction: The brown tumor is a bone lesion that arises in settings of excess osteoclast activity, such as hyperparathyroidism. It is not a true neoplasm, it represents a reparative cellular process rather than a neoplastic process and could be a difficult differential diagnosis to anticipate. In this presentation we report a case of brown tumor of the nasal bone and reviewed the literature.
Study Design: A case report and literature review.
Methods: We report a 19 year old woman presented with 12 month history of bilateral nasal obstruction mainly on the left side. There is not any present or past medical history. The patient had no family history of any nasal diseases. On nasal endoscopic examination, a bilateral posterior nasal cavity mass originating from the vomer and expanding on both sides, the possibility of a tumor of the nasal cavity was considered, for further evaluation of the mass, high resolution CT of the nasal bone were performed. The CT study showed a mass causing the obstruction.
Results: Wide excision of the mass was performed. The mass appeared yellowish brown in color. Histocytopathology report revealed the presence of a giant cell tumor consistent with brown tumor of bone. Laboratory evaluation of the patient revealed hyperparathyroidism. The patient recovered uneventfully, remained asymptomatic and recurrence free at the 1 year followup.
Conclusions: If the mass is resectable we should remove it completely, also to consider the brown tumor as a differential diagnosis of nasal cavity masses and the nasal lesions with histologic features of a giant cell tumor should be evaluated for hyperparathyroidism.
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