نتایج جستجو برای: endoscopic sinonasal surgery
تعداد نتایج: 386879 فیلتر نتایج به سال:
Inverted papilloma (IP) is a common benign tumor in the nose and sinus. Osteogenesis in sinonasal IP is extremely rare; to date, only five cases of IP with new bone formation appear in the literature. In addition, the mechanism of osteogenesis in IP remains unclear. Here, we describe three cases of IP with new bone formation and an investigation into a possible role for bone morphogenic protein...
OBJECTIVES We sought to determine the value of preoperative staging by magnetic resonance imaging (MRI) assessment in the surgical management of sinonasal inverted papillomas (IPs). METHODS Preoperative MRI staging was used to assess 22 patients with IPs. In addition to the Krouse staging system, T3 cases were categorized as subgroup T3-B if tumors extended into the frontal sinus or the supra...
Objectives:Even though headache is a common symptom in patients with chronic rhinosinusitis (CRS) or nasal septal deviation (NSD), there are very few recent reports investigating headache characteristics in rhinologic patients. Therefore, we investigated the headache characteristics and differences in CRS and NSD patients who were diagnosed by computerized tomography and endoscopic exams. Metho...
Inverted papilloma (IP) is a locally destructive, benign neoplasm of the nose and paranasal sinuses with a high tendency for recurrence, a significant potential for malignancy, and an etiology that today is still uncertain. The expression of hormonal receptors in neoplastic tissues has been the focus of intensive research for its potential diagnostic, prognostic, and therapeutic significance. T...
IMPORTANCE The counterintuitive decrease of exhaled nitric oxide (NO) levels in a severe inflammatory disorder like cystic fibrosis (CF) is only scarcely understood. Because NO is important in a variety of regulatory processes in the lung, including host defense, inflammation, and bronchomotor control, it is necessary to search for clarifying mechanisms. OBJECTIVES To explore whether fraction...
The present study examined the clinico-pathological profile of sinonasal masses in patients attending an Ear Nose Throat clinic of a rural tertiary care hospital of western Maharashtra in India, between May 2007 to June 2009. During the study period, 112 patients presented with sinonasal masses (male 68, female 44; age group 8-70 years). Nasal polyploid masses were non-neoplastic in 80 (71.4%) ...
Sinonasal organized hematoma (SNOH) is rarely encountered in clinical practice. The disease demonstrates a high tendency for occurrence in East Asian individuals, and in the majority of cases, is located in the maxillary sinus. The current report presents the case of an 81-year-old female who developed a space-occupying lesion, which masqueraded as a skull base malignancy, following surgery for...
OBJECTIVES/HYPOTHESIS Inverted papilloma (IP) is a rare benign tumor, which is found in the sinonasal area. It is characterized by recurrence, local destruction, and malignant change. Of these, recurrence is a challenging problem to many otolaryngologists. In this study, we evaluated recurrence based on the type of surgical approach using a meta-analysis. STUDY DESIGN MEDLINE, Embase, and Coc...
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