نتایج جستجو برای: paranasal sinus diseases
تعداد نتایج: 887197 فیلتر نتایج به سال:
BACKGROUND Currently, there is no uniform consensus regarding the appropriate staging for invasion of the paranasal sinuses in nasopharyngeal carcinoma (NPC). In the current AJCC staging system for NPC, paranasal sinus invasion is defined within the T3 classification. However, according to the Chinese 2008 staging system, which is also widely used in the regions where NPC is endemic in China, p...
Nasopharyngeal carcinoma (NPC) may spread to the paranasal sinuses. This retrospective study describes the features of paranasal sinus involvement in NPC on computed tomography (CT) and magnetic resonance imaging (MRI). One hundred and fourteen patients with histologically proven NPC underwent staging with both CT and MRI. Maxillary sinus infiltration was demonstrated on MRI in 10 patients; sph...
Background: Endoscopic sinus surgery has been used for diagnosis and treatment of chronic inflammatory diseases of paranasal sinuses since recent years. Materials and Methods: In this study 104 patients with chronic sinusitis (with or without polyps) which were managed with endoscopic sinus surgery (ESS) were followed for 6 to 24 months after surgery (24 patients refused to continue follow up) ...
Introduction: Anatomic variations of the paranasal sinuses are very common. Paranasal sinus
Introduction: Anatomic variations of the paranasal sinuses are very common. Paranasal sinus
statement of problem: variation in paranasal sinus anatomy as shown on computed tomographic scans is of potential significance for it may pose risks during surgery or predispose to certain pathologic conditions. purpose: the aim of this study was to assess the relative frequency and concurrence of variations in paranasal sinus anatomy in a given population and to compare the results with previo...
Background: Paranasal sinus disease is one of the most common problems of patients that refer to ENT centers. Adding to clinical examination imaging plays an important role in diagnosis and treatment. Also the imaging of paranasal sinuses is necessary before surgery. Although computed tomography is the modality of choice for these areas, it has some disadvantages which the most important one is...
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