AJDRAJNR - American Journal of Neuroradiology

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Case Report
HEAD AND NECK

Spontaneous Sphenoid Sinus Mucocele Revealed by Meningitis and Brain Abscess in a 12-Year-Old Child

Olivier Malarda, Marie Gayet-Delacroixb, Franck Jegouxa, Alexis Faurec, Philippe Bordurea and Claude Beauvillain de Montreuila

a Service de clinique O.R.L. et de chirurgie cervico-faciale, CHU de Nantes, Nantes, France
b Service de radiologie et d’imagerie médicale, CHU de Nantes, Nantes, France
c Service de neurochirurgie et neurotraumatologie, CHU de Nantes, Nantes, France

Address correspondence to Olivier Malard, CHU de Nantes, Hotel-Dieu, Service de clinique O. R. L. et de chirurgie cervico-faciale, Place A. Ricordeau, BP 1005, 44093 Nantes Cedex 01, France

Summary: Sphenoid sinus mucocele is an uncommon lesion related to inflammatory disease that is diagnosed after surgery or a traumatic event. This report describes an unusual case revealed by bacterial meningitis and cerebral abscess in a 12-year-old child. CT and MR imaging allowed precise extension to the skull base in preoperative management and follow-up investigations. Endoscopic transnasal marsupialisation of the mucocele and antibiotic therapy led to complete remission. There was no evidence of recurrence after 6 months, which suggests that sphenoid mucoceles, regardless of size and complications, can be treated by endoscopic sinus surgery.