Results 11 to 20 of about 22,108 (285)

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, Mitsuhiro Okano, Tazuko Fujiwara, Shin Kariya, Takenori Haruna, Ryotaro Omichi, Sei-ichiro Makihara, Yuji Hirata, Kazunori Nishizaki   +8 more
doaj   +3 more sources

Herpes simplex virus type 1 infection facilitates invasion of Staphylococcus aureus into the nasal mucosa and nasal polyp tissue. [PDF]

PLoS ONE, 2012
BACKGROUND: Staphylococcus aureus (S. aureus) plays an important role in the pathogenesis of severe chronic airway disease, such as nasal polyps. However the mechanisms underlying the initiation of damage and/or invasion of the nasal mucosa by S.
XiangDong Wang, Nan Zhang, Sarah Glorieux, Gabriele Holtappels, Mario Vaneechoutte, Olga Krysko, Luo Zhang, Demin Han, Hans J Nauwynck, Claus Bachert   +9 more
doaj   +1 more source

Comparative Study between Intrapolyp Corticosteroid Injection and Oral Corticosteroid in Treatment of Allergic Nasal Polyposis

SVU - International Journal of Medical Sciences, 2023
Background: Sino-nasal polyps can be treated medically (with systemic and local steroids) or surgically; but a lot of patients refuse surgical intervention or are contraindicated to use systemic steroids. Intra-polyp steroid injections have recently been
Nehad Hassan Abdelrahman, Ahmad Gaber Abdelraheem , Rehab Abd El Hakim Amin*, Mahmoud Khalefa   +3 more
doaj   +1 more source

VISUALIZE: a 24-week, open-label study using nasal endoscopy video to evaluate the efficacy and safety of EDS-FLU 186 μg twice daily in adults with bilateral nasal polyps [PDF]

Rhinology Online, 2020
Background: In prior phase 3, randomized, placebo-controlled trials, fluticasone propionate exhalation delivery system (EDSFLU) over 24 weeks showed significant reduction in total polyp score compared with EDS-placebo.
William C. Yao, Vijay R. Ramakrishnan, Amber U. Luong, Martin J. Citardi   +3 more
doaj   +1 more source

Eosinophil chemotaxis assay in nasal polyps by using a novel optical device EZ-TAXIScan: Role of CC-chemokine receptor 3

Allergology International, 2016
Background: The chemokine receptor, CC-chemokine receptor 3 (CCR3), and its major ligands, eotaxin, RANTES, and MCP-4, are involved in eosinophil chemotaxis. It is thought that CCR3 plays an important role in the recruitment and activation of eosinophils
Hidekazu Saito, Kohei Honda, Chikara Asaka, Shigeharu Ueki, Kazuo Ishikawa   +4 more
doaj   +1 more source

EOSINOPHILS PROFILE AND LUND-MACKAY SCORE OF NASAL POLYPS IN ARIFIN ACHMAD HOSPITAL, RIAU PROVINCE

Berkala Kedokteran, 2022
: Theories suggest that nasal polyps occur as a result of chronic inflammation of the nasal and sinus mucosa. Eosinophils are the main inflammatory cells found in nasal polyp tissue.
Yolazenia Yolazenia, Inayah Inayah, Febri Romaito Romaito, Retni Tri Handayani, Novisa Dwi Utami   +4 more
doaj   +1 more source

Optimum imaging for inverted papilloma [PDF]

, 2000
Inverted papilloma is the most common benign tumour of the nose and paranasal sinuses, and usually arises in the lateral wall of the nasal cavity and the middle meatus.
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Sphenochoanal polyp causing obstruction

Journal of Pediatric Surgery Case Reports, 2019
Nasal polyps are mostly referred to as antrochoanal polyps. Polyp arising from sphenoid sinus as such is a rare entity. Radiological investigations include a CT scan of paranasal sinuses and diagnostic nasal endoscopy will confirm the diagnosis. Once the
Shashikant Anil Pol, Surinder K. Singhal, Nitin Gupta, Ankit Gulati   +3 more
doaj   +1 more source

A Case of Sinochoanal Polyp Originating From the Ethmoid Sinus [PDF]

Journal of Rhinology, 2023
A nasal polyp is a distinct mucosal pathology that obstructs the nasal cavity and paranasal sinuses, with various phenotypes and endotypes. Nasal polyps should be distinguished from inverted papillomas, squamous cell carcinomas, juvenile angiofibromas ...
Byung Hun Kim, Seongman Hong, Younil Jang, Jae Kyung Myung, Seok Hyun Cho   +4 more
doaj   +1 more source

Biologics for the treatment of chronic rhinosinusitis with nasal polyps : state of the art [PDF]

, 2019
Chronic rhinosinusitis with nasal polyps (CRSwNP) is a complex upper airway disease affecting up to 11% of the population of Western Europe. In these western countries, 85% of the CRSwNP disease reveals a type 2 inflammatory pattern. In the last 15 years,
Bachert, Claus, Ren, Lei, Zhang, Luo, Zhang, Nan   +3 more
core   +1 more source