Pneumocele
Pneumocele refers to focal or diffuse enlargement of an aerated paranasal sinus with thinning of its bony walls. The latter allows differentiation from pneumosinus dilatans in which the walls of the involved paranasal sinus remain intact.
Pneumocele refers to focal or diffuse enlargement of an aerated paranasal sinus with thinning of its bony walls. The latter allows differentiation from pneumosinus dilatans in which the walls of the involved paranasal sinus remain intact.