نتایج جستجو برای: paranasal sinus
تعداد نتایج: 43005 فیلتر نتایج به سال:
purpose : to report a patient with sphenoid sinus mucocele (ssm) case report : the patient is a 19-year-old man who was referred to khatam-al-anbia eye center as retrobulbar optic neuritis. brain and orbital ct scan and mri revealed ssm. the patient underwent endoscopic sinus surgery and visual acuity (va) improved from no light perception (nlp) to 2 meter counting fingers. conclusion : ssm may...
INTRODUCTION Anatomic variations of the paranasal sinuses are very common. The paranasal sinus anatomy should be carefully examined prior to performing endoscopic sinus surgery in terms of both existent pathologies and anatomic variations. The anatomy of the paranasal sinuses and its variations have gained importance, along with advances in coronal paranasal sinus computed tomography and extens...
CT scan is the best method in the diagnosis of paranasal sinus diseases. The object of the present study was to show the efficiency of diagnostic endoscopy in diagnosing nasal paranasal sinus diseases and anomalies. If this method proves to be accurate, patients who refuse surgery can be diagnosed, managed and followed up through a reliable method that is cost-effective and de...
The aim of this study was to evaluate the histopathological findings of unilateral paranasal sinus disease dominated by maxillary sinus opacification on routine non-contrast enhanced paranasal sinus CT. We performed a retrospective analysis of routine paranasal sinus CT conducted between March 2003 and April 2007. Unilateral maxillary sinus opacification (with or without ipsilateral ethmoid or ...
BACKGROUND Sinusitis is a common disease in the horse. In human medicine it is described, that obstruction of the sinonasal communication plays a major role in the development of sinusitis. To get spatial sense of the equine specific communication ways between the nasal cavity and the paranasal sinuses, heads of 19 horses, aged 2 to 26 years, were analyzed using three-dimensional (3D) reformatt...
OBJECTIVES/HYPOTHESIS Paranasal sinus pneumatization in patients with cystic fibrosis (CF) is less extensive compared to the general population and seems to be correlated to CF genotype. Interestingly, in CF patients temporal bone pneumatization (TBP) is more extensive compared to the general population, and middle ear pathology is generally uncommon in CF. It is debated whether TBP is influenc...
introduction: plasmacytoma is a monoclonal proliferation of plasma cells. it can be an isolated lesion, for which the term extramedullary plasmacytoma is used, or a representation of multiple myeloma.the upper respiratory tract is the most common site for an extramedullary plasmacytoma. sinonasal plasmacytomas cause different symptoms depending on the sites of origins and the areas of involveme...
inverted papillomas of the nose and paranasal sinuses are uncommon neoplasms, characterized by their tendency to occur and by their association with malignancy. in the past decade there has been a trend toward the use of endoscopic surgical techniques in the management of these tumors. this article presents the results of a prospective study of24 patients with inverted papilloma resected by the...
mucoceles are defi ned as chronic, cystic lesions in the paranasal sinuses. when the mucocele content becomes infected, the lesion is defi ned as mucopyocele. most mucoceles are located in the frontal and anterior ethmoid sinuses and normally they involve the frontal-ethmoid complex, expanding to the superior-medial region of the orbit, leading to ocular disorders; maxillary sinus presentation ...
purpose: to present a case of orbital abscess secondary to mandibular odontogenic infection. case report: a 30 year old man presented with ocular pain and exophthalmos of the left eye following a dental infection since a few days ago. a localized abscess was detected in the left orbital ct but the paranasal sinuses were clear. involvement of the left third mandibular molar was evident on facial...
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