P.K. Shenoy, MD, FRCS, DLO, FACS, ENT Service Chief, Campbellton Regional Hospital, Campbellton, NB, Canada.
Ahmad Khatib, MD, L.M.C.C, is a family physician and an ER physician, Campbellton Regional Hospital, Campbellton, New Brunswick, Canada.

Abstract
A rare case of severe headache presenting with spontaneous pneumocephalus secondary to frontal sinus pneumocele is described. To the best of our knowledge this is the second case presented in the English literature. Clinical presentation, management, and outcome are discussed.
Keywords: spontaneous pneumocephalus, pneumocele, frontal sinus, osteoma, headache.