New Ringer's lactate gel formulation on nasal comfort and humidification.

Introduction: The use of saline irrigation for nasal washes is a well established procedure in the treatment of sinonasal inflammation and infection. In addition to saline solutions, Ringer's lactate is also an efficient option for nasal washes and humidification.

Objective: To assess the comfort, humidification and tolerance regarding stinging sensation, provided by sodium chloride nasal gel at the concentrations of 4.

Superior orbital fissure syndrome due to sinusitis: report of two cases.

Background: The potential morbidity and mortality of sphenoid sinus infectious processes are related to their proximity to vital structures within the orbit, such as the cavernous sinus and the brain. Involvement of the posterior orbit can result in superior orbital fissure syndrome, a rare entity affecting structures that cross this anatomic region. Early recognition of this syndrome is mandatory.

Primary non-Hodgkin's lymphoma of the frontal sinus: case report and review of the literature.

Non-Hodgkin's lymphoma of the sinonasal tract is an uncommon lesion, representing 1.5 to 15% of all lymphomas. Most cases of primary non-Hodgkin's lymphoma of the sinonasal tract occur in the maxillary sinus, ethmoid sinus, and nasal cavity; its occurrence in the frontal sinus is extremely rare.