Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired sinuses ...

Cerebrospinal fluid (CSF) leaks in the sphenoid sinus represent a challenging clinical entity, often occurring in tandem with meningoencephaloceles. These phenomena involve an abnormal communication ...

A day after it publicly announced its new CEO, Entellus Medical Inc. has launched a new sinus-dilation tool. The company’s Xpress device uses a balloon catheter to dilate both the frontal and sphenoid ...

There are 4 sets of sinuses ordinarily present in humans, but congenital absence or hypoplasia of one or more sinus cavities is not uncommon. The maxillary and ethmoidal sinuses form during the third ...

Please provide your email address to receive an email when new articles are posted on . A 53-year-old female nonsmoker presented to an outpatient facility in November 2017 with 6 weeks of progressive ...