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 ...

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 sinus ...

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 ...

Acute sinusitis is inflammation of mucosa lining of one or more paranasal sinuses. In children, most cases begin as a viral infection that extends from nasal mucosa (rhinitis) onto the mucosal lining ...

This common sinus inflammation is often caused by a cold or other viral injection. Usually your symptoms will go away within 10 days, but can last up to 4 weeks. A health professional can help ...

If you’ve ever had a sinus infection, you know that it can be miserable: facial pain and pressure, headaches and post-nasal drip are just a few of the excruciating symptoms. Now imagine that this ...

It’s that time of year when the weather has become cooler and the beautiful colors of fallen leaves now decorate the lawns and sidewalks. It’s also the time of year when you hear more sneezing, ...

The patient’s medical history, examination findings, and test results suggest a diagnosis of meningitis. This patient’s case demonstrates that a normal complete blood count should never be used alone ...