نتایج جستجو برای: sinonasal polyposis
تعداد نتایج: 13956 فیلتر نتایج به سال:
BACKGROUND Staphylococcus aureus secretes numerous exotoxins which may exhibit superantigenic properties. Whereas the virulence of several of them is well documented, their exact biological effects are not fully understood. Exotoxins may influence the immune and inflammatory state of various organs, including the sinonasal mucosa: their possible involvement in chronic rhinosinusitis has been su...
of Churg–Strauss vasculitis (CSV) is 2.5 per 100 000 people per year. It is characterized by pulmonary and systemic necrotizing vasculitis, vascular or extravascular granuloma, eosinophilia and tissue infiltration by eosinophils, and nonspecific elevation in the immunoglobulin E level. It is also found in those with asthma and allergic rhinitis or sinonasal polyposis. Coarse granular and perinu...
Abstract Background Sinonasal inverted papilloma or Schneiderian is a rare benign tumor of paranasal sinuses and nasal cavities. It can cause bone remodeling has significant malignant potential. Hence, it very important to diagnose treat the at earliest. Recurrence occur even after surgical extensive resection. Case presentation This case report highlights 36-year-old male patient who presented...
Steroids are increasingly being used to treat a wide spectrum of otolaryngological disorders. It is important for ear-nose-throat surgeons to understand the short- and long-term complications associated with steroid use. The aim of this study was to review the role of steroids in common ear-nose-throat disorders. Corticosteroid therapy has been shown to be effective in the management of idiopat...
BACKGROUND Nasal polyposis is characterized by impaired regulation of nasal tissue growth and is associated with chronic inflammation, sinus infections, and low levels of nitric oxide (NO). Based on its critical role in mediating cell growth and antimicrobial function, decrease of NO levels has been implicated in the pathogenesis of nasal polyposis. OBJECTIVE We sought to evaluate mechanisms ...
Introduction: Thesinonasal tract is an area that may be affected by various types of neoplastic lesions with more variety than what is encountered in other parts of the upper airway and food passage. Case Report: An elderly gentleman of 65 years complained of nose block on both sides for 3 months. On examination, he had firm polypoidal masses arising from the middle me...
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