Because the paranasal sinuses continue to develop throughout childhood, radiologists
encounter significant anatomical variation when confronted with pediatric imaging studies …

Background To date, there are numerous studies documenting the prevalence of frontal
recess cells, but only 1 study using the newly developed International Frontal Sinus …

Chronic rhinosinusitis (CRS) can have a significant impact on quality of life. With persistent
symptoms and the failure of initial medical treatments, surgical management is indicated …

Background: Paranasal sinus pneumatization is a complex process, and numerous
computed tomography (CT) studies document developmental variations in the setting of …

Abstract Background The International Frontal Sinus Anatomy Classification (IFAC) is
introduced to simplify the classification of different frontal cell variants based on their …

This chapter provides the first descriptions of the intact paranasal sinuses of the Hofmeyr
cranium, which include both frontal sinuses and the right maxillary sinus, and compares …

Objectives Two major classifications of frontoethmoidal cells, Lee and Kuhn and the IFAC
(International Frontal Sinus Anatomy Classification), distinguish anterior, posterior and …

Objectives: To evaluate the International Frontal Sinus Anatomy Classification (IFAC)
reliability among Saudi board otorhinolaryngology senior residents. Methods: This cross …

Objectives The aim of this study was to evaluate the prevalence of the frontal cell variants
according to International Frontal Sinus Anatomy Classification (IFAC), in the population of a …

The paranasal sinuses (the hollow spaces in the skull and facial bones around the nose) are
air-filled cavities within the frontal, ethmoidal, sphenoidal, and maxillary bones.[1] They are …