A sinus pneumocele is a rare entity caused by obstruction of a paranasal sinus ostium. It is characterised by dilation and expansion of the sinus, with subsequent bony erosion. The most probable ...

The surfaces of these sinuses contain the same cells that line the respiratory tract (1). There are four pairs of paranasal sinuses in total (2). The maxillary sinus is the biggest one, the other ...

Abstract Pyocele of maxillary sinus occurs unusually, when its mucocele content gets secondarily infected. Most of the pyocele occupies the frontal and anterior ethmoid sinus involving the ...

The four paranasal sinuses (maxillary, frontal, ethmoid and sphenoid) develop as outpouchings of the nasal mucosa. They remain connected to the nasal cavity via narrow ostia with a lumen diameter ...

The shaver has been described and used for all aspects of sinus surgery, including uncinectomy, maxillary antrostomy, sphenoethmoidectomy, [6] and even frontal recess surgery. [9] ...

In fact, babies do have sinuses capable of getting infected—their maxillary and ethmoid sinuses are too tiny to see on an X-ray, but they exist—but they totally lack the frontal sinuses that ...

Sinusitis occurs as a result of obstruction of the osteomeatal unit, which is located in the vicinity of the maxillary sinus ostium (Fig. 1). Because of obstruction, mucus accumulates inside the ...

Humming for healthy sinuses Turns out, humming isn't just for expressing joy—it's also a secret weapon for keeping your maxillary sinus (the one behind your cheeks) healthy.