De Rotalier P, Le Page P, Courtois A, Lory D
Hôpitaux des Armées, H.I.A Ste Anne, Toulon Naval France.
Rev Laryngol Otol Rhinol (Bord). 1990;111(3):231-4.
The authors relate an ethmoidal cylindroma, whose extension includes the orbital apex, without any ocular symptomatology. They wonder about the possibility of an early diagnosis of such tumors.