Pathogenesis of chronic rhinosinusitis with nasal polyp and a prominent T2 endotype [PDF]
Heliyon, 2023 Chronic rhinosinusitis is a heterogenous and multifactorial disease, characterized by persistent inflammation of the nose and paranasal sinuses, which causes nasal obstruction, nasal discharge, facial pain, and smell disturbance.
Said Ahmad Shāh, Masayoshi Kobayashi
exaly +4 more sources
PathologicaLeishmaniasis is an infectious disease caused by a protozoon of the genus Leishmania. It can manifest as cutaneous, mucosal, localized lymphadenitis forms or it can result as multiorgan involvement. In this article we present the case of a 59-year-old male with a polypoid mass attached to the septum at the right nasal cavity and symptoms as nasal ...
Filipello F +5 more
europepmc +3 more sources
Predictive significance of Charcot‐Leyden crystal structures for nasal polyp recurrence [PDF]
Clinical and Translational Allergy, 2022 Background Charcot‐Leyden crystals (CLCs) are recognized to be classic hallmarks of eosinophilic inflammation. Both protein and mRNA levels of CLC in nasal secretions and nasal brushing samples have been associated with nasal polyp recurrence.
Wenyi Chen +11 more
doaj +2 more sources
Distinct Effects of Biological Treatments on Eosinophils and Neutrophils in Chronic Rhinosinusitis With Nasal Polyp Patients [PDF]
Clinical and Translational AllergyBackground Chronic rhinosinusitis with nasal polyps (CRSwNP) is generally characterized by tissue‐infiltrating eosinophils. Various biologic treatments, targeting the inflammation, have demonstrated efficacy in reducing nasal polyp size and symptoms ...
Sharon VanNevel +10 more
doaj +2 more sources
Effect of prostaglandin D2 on VEGF release by nasal polyp fibroblasts
Allergology International, 2016 Background: Vascular endothelial growth factor (VEGF) is known to be associated with the pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP). VEGF is produced by a variety of cells including fibroblasts.
Kengo Kanai +2 more
exaly +3 more sources
Giant Antrochoanal Polyp in a Six-years-old Boy: A Case Report and Literature Review [PDF]
Al-Anbar Medical Journal, 2022 Antrochoanal polyps are more prevalent in children than adults. Unilateral nasal obstruction and rhinorrhea are usually the features of unilateral antrochoanal polyps.
Raid Al-Ani
doaj +1 more source
The Inhibition Effect and Mechanism of Staurosporine Isolated from Streptomyces sp. SNC087 Strain on Nasal Polyp [PDF]
Marine DrugsThis study aims to explore the potential inhibition effects of staurosporine isolated from a Streptomyces sp. SNC087 strain obtained from seawater on nasal polyps. Staurosporine possesses antimicrobial and antihypertensive activities.
Grace Choi +7 more
doaj +2 more sources
Nasal anatomical and pathological variants in patients with antrochoanal polyps [PDF]
Minia Journal of Medical Research, 2023 objectives: is to study the relation between antrochoanal polyp formation and associated anatomical and pathological variants. Patients and methods: Our study included 80 patients divided equally into two groups (40 patients in each): patients with ...
Osama Awad +4 more
doaj +1 more source
Nasal polyps and its histopathological classification: A retrospective study
Asian Journal of Medical Sciences, 2023 Background: The diagnosis of nasal polyp is made according to clinical and radiological criteria, while histopathologic examination is important for an accurate diagnosis. Histological classification of nasal polyps and its clinical implications are very
Jitendra Pratap Singh Chauhan +2 more
doaj +1 more source
Effect of lipopolysaccharide and polyinosinic:polycytidylic acid in a murine model of nasal polyp
Scientific Reports, 2021 Several factors, including bacterial and viral infections, have been associated with rhinosinusitis and nasal tissue remodelling that may result in nasal polyp formation.
Jee Hye Wee +5 more
doaj +1 more source