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Case Rep Neurol. 2012 Jan;4(1):34-7. doi: 10.1159/000336326. Epub 2012 Jan 25.

Giant frontal mucocele occurring 32 years after frontal bone fracture: a case report.

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Department of Neurosurgery, Graduate School of Medicine, Hokkaido University, Sapporo, Japan.


Giant mucoceles of the frontal sinus are rare but their recognition is important in the differential diagnosis of proptosis and fronto-orbital lesions. The authors describe a patient with frontal giant mucocele with intracranial as well as orbit and ethmoid sinus involvement. Thirty-two years after a frontal sinus fracture, a 51-year-old female presented with headache, and left exophthalmos and ophthalmoplegia. Computed tomography and magnetic resonance imaging demonstrated a giant frontal sinus mucocele with extension into the left anterior cranial fossa. The mucocele was treated with a transcranial and endoscopic transnasal approach. The frontal sinus was then cranialized with reconstruction of the posterior wall, and finally a wide nasal drainage was performed. The clinical symptoms disappeared immediately after surgery.


External approach; Frontal sinus; Giant; Mucocele

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