title: Sphenoid mucocele presenting as a pre-pontine mass.
abstract: A patient with sphenoid sinus mucocele presented with destruction of the clivus and a pre-pontine mass mimicking a chordoma of the clivus.
mesh_terms: D002817:Chordoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D009078:Mucocele / Q000175:diagnosis* / Q000000981:diagnostic imaging; D010254:Paranasal Sinus Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging; D011859:Radiography; D012888:Skull Neoplasms / Q000175:diagnosis*; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging