Frontoethmoidal mucocele with intraorbital extension: an unusual cause of diplopia.

: Frontoethmoidal mucoceles are pseudo-cystic lesions which may present with orbital symptoms. A case of frontoethmoidal mucocele in an elderly lady is described who presented with diplopia primarily and was diagnosed with CT scan regarding primary pathology and intraorbital extension. Recovery followed surgical excision and orbital clearance.