Mucocele is an accumulation of secretion products, desquamation, and inflammation within a body cavity: Localization in the mastoid is extremely rare. Erosion of bony walls and invasion of surrounding structures expose a patient to intra- and extracranial complications. Proper imaging work-up and complete removal through mastoidectomy is warranted.
Keywords: hearing loss; mastoid; mucocele; neoplasm; surgical treatment.
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