I. Executive Summary Background The 5 years since the publication of the first International
Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR‐RS) has witnessed …

Contributing Authors Isam Alobid, MD, PhD1, Nithin D. Adappa, MD2, Henry P. Barham,
MD3, Thiago Bezerra, MD4, Nadieska Caballero, MD5, Eugene G. Chang, MD6, Gaurav …

The Messerklinger technique is a primarily diagnostic endoscopic concept demonstrating
that the frontal and the maxillary sinuses are subordinate cavities. Disease usually starts in …

Coronal plane computerized tomographic (CT) scanning has dramatically improved the
imaging of paranasal sinus anatomy as compared to sinus radiographs. Increasingly, subtle …

Chronic rhinosinusitis (CRS) is a public health problem that has a significant socio-
economic impact. Moreover, the complexity of this disease due to its heterogeneous nature …

• The purpose of functional endoscopic sinus surgery is to reestablish ventilation and
mucociliary clearance of the sinuses. This goal is achieved primarily by the endoscopic …

abstract Eosinophilic chronic rhinosinusitis (ECRS) is a subgroup of chronic rhinosinusitis
with nasal polyps (CRSwNP), which is associated with severe eosinophilic infiltration and …

Headaches can be of sinugenic origin even if this cause may not be suspected from the
case history. Endoscopy of the lateral nasal wall with rigid cold light endoscopes in …

The Rhinosinusitis Initiative was developed by 5 national societies. The current guidance
document is an expansion of the 2004 publication,“Rhinosinusitis: Establishing definitions …

Although much has been reported on the short‐term outcomes of functional endoscopic
sinus surgery (FESS), little has been reported with regard to its long‐term impact on chronic …