The function of the paranasal sinuses is not clear, but theories include humidification and warming of inspired air, lightening of the skull, improvement of vocal resonance, absorption of shock to the ...

Nasal cavity and paranasal cancers are a relatively rare type of head and neck cancer. In fact, they occur in less than 3 percent of head and neck cancers, says Dr. Richard Bakst, assistant professor ...

The size and shape of the frontal sinus can vary from person to person. These spaces fill up with mucus, which then drain into the nose. The draining process can be hindered by blockages. If mucus ...

Acute dacryocystitis involves suppurative inflammation of the lacrimal sac and perilacrimal tissue, usually secondary to blockage of the nasolacrimal duct with resultant stasis. It commonly resolves ...

Hyperbaric oxygen as a radiation sensitizer for locally advanced squamous cell carcinoma of the head and neck: A phase I dose-escalation study. Adjuvant chemotherapy with S-1 for patients with head ...

The association between nasal cancer and work in the metal industry was investigated in a case-control study located in the province of Brescia, north eastern Italy. Thirty five cases of malignant ...

Endoscopic sinus surgery is a standard procedure in the treatment of various pathologies such as chronic sinusitis or some types of neoplasms. The transnasal approach to tumours of paranasal sinuses ...