نتایج جستجو برای: Sinus
تعداد نتایج: 42032 فیلتر نتایج به سال:
introduction frontal sinus mucoceles are the commonest among all paranasal mucoceles. with introduction of functional endoscopic sinus surgery, surgeons prefer endoscopic management of sinus mucoceles, but lesions that appear in the lateral part of the frontal sinus can be difficult to access and often need external approaches. case presentation we described a lateral frontal sinus mucocele wit...
conclusions surgeons should consider the possibility of existence of other mucoceles when they find a large downstream sinus mucocele obstructing the ostia of upstream sinuses on computed tomography scans. introduction mucoceles of the paranasal sinuses are relatively rare. a very busy otolaryngology department does not have more than a few cases each year. bilateral, multiple, and multiloculat...
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...
background sphenoid sinus is surrounded by many vital vascular and nervous structures. in more than 20% of patients with chronic sinusitis, involvement of sphenoid sinus has been observed. besides, sphenoid sinus is an appropriate route to access anterior and middle cranial fossa in surgery. therefore, it is important to have an adequate knowledge about the contents of sphenoid sinus and its pr...
the silent sinus syndrome (sss) involves painless facial asymmetry and enophthalmos, which is theresult of chronic maxillary sinus atelectasis. in most cases, it is diagnosed clinically, however, usingthe characteristic imaging features including maxillary sinus outlet obstruction, sinus opacification,and sinus volume loss caused by inward retraction of the sinus walls. obstruction of the maxil...
This study was conducted to investigate the role of cell immunity in adults suffering from chronic sinusitis who referred to Rasoul-e-Akram Hospital for endoscopic sinus surgery. CD3, CD4, CD8 & CD4/CD8 ratio in sinus mucosa of serum IgE level were all measured in the patients. The three studied groups were: chronic sinusitis with high serum IgE(28 cases), chronic sinusitis with nor...
Sphenochoanal poyp is rare nasal mass that originates from sphenoid sinus. In anterior rhinoscopy it may be mistaken with antrochoanal polyp. CT of paranasal sinuses and nasal endoscopy has increased diagnostic accuracy. Simple polypectomy without removal of intra sinus mass is associated with increased risk of recurrence. Treatment of sphenochoanal polyp must include removal of intrasphenoid...
Sinus of valsalva aneurysm, is a rare congenital defect and the diagnosis is usually made after it ruptures. The anomaly often involves the right coronary sinus and is less frequent in the noncoronary sinus. The rupture of the left sinus of valsalva into the pulmonary artery is extremely rare. So far, few cases with ruptured left sinus of valsalva have been reported. We are reporting a ruptur...
Frontal sinus fractures are of surgical importance because of the microbial flora covering the frontal air sinus and it's proximity with the duramater and brain. There is an increased risk of meningitis when fracture of the posterior wall of the frontal sinus is associated with a dural tear. In this condition, communication occurs between the contaminated space of the air sinus and the intr...
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