Axial CT scan of a young patient with CF. Hypoplastic maxillary sinuses are seen bilaterally. Both maxillary sinuses are completely opacified with bulging medial walls. This picture of complete ...

Multiple organisms have been isolated from infected sinuses. However, it is important to note that "normal flora" has been cultured from healthy uninfected sinuses. "Normal flora" include ...

Because our sinuses are filled with air, any change in that pressure can affect headaches. When the outside barometric pressure lowers, it creates a difference between the pressure in the outside ...