نتایج جستجو برای: sphenoid surgery
تعداد نتایج: 343058 فیلتر نتایج به سال:
OBJECTIVES A sphenoid sinus fungal ball is a rare disease that can cause visual disturbances. Most afflicted patients remain in an indolent state. However, once the visual disturbance has occurred, the recovery rate is very low. The purpose of this study was to overview the clinical characteristics of patients with a sphenoid sinus fungal ball and ascertain factors possibly related to the occur...
Alongside the past development of endoscopic sinus surgery, knowledge about the anatomy of the sinuses has become crucial for surgeons. The sphenoid sinus is one of the most variable of all sinuses. Its relations to vital vascular and nervous elements make its approach a challenge for endoscopic surgeons. These relations include the internal carotid artery, the optic nerve, the pituitary gland,...
Isolated sphenoid pathology is uncommon. Nasal polyps that originate from the anterior wall of the sphenoid sinus and reach the nasopharynx are called sphenochoanal polyps. The atypical location of sphenochoanal polyps leads to misdiagnosis, and surgery risks injuring the surrounding structures, such as the optic nerve, carotid artery, and brain. For the differential diagnosis of sphenochoanal ...
Background: Injury to the cavernous portion of the Internal Carotid Artery (ICA) during nasal endoscopic sinus surgery is a rare complication, which is associated with high rates of morbidity and mortality. ICA is more vulnerable to iatrogenic injury inside the sphenoid lateral wall when it runs in a more medial course which although is uncommon but a normal variant and when the ICA runs only i...
OBJECTIVES To establish and compare the distance and angle from the limen nasi to the sphenoid ostium in pediatric patients with normal sinonasal anatomy vs pediatric patients with cystic fibrosis (CF). DESIGN Retrospective review of computed tomographic images. SETTING Tertiary university-based medical center. PARTICIPANTS Patients (newborn to age 20 years) with normal sinonasal anatomy ...
The aim of this study was to analyze the bacterial flora in the nasal cavity and sphenoid sinus and evaluate the sensitivity of these bacteria to antibiotics that can be used to prevent postoperative meningitis. Bacteria of the preoperative nasal cavity and intraoperative sphenoid sinus mucosa were cultured and analyzed in 40 patients (20 men and 20 women; mean age, 52.2 years) who underwent en...
The aim of this article is to discuss the sphenoid sinus variations that could be important for transsphenoidal pituitary surgery planning. 314 computed tomography angiography performed with 64-detector multi-slice scanner of the head and neck region in consecutive patients were studied. Thin slices axial, coronal and sagittal, maximum intensity projection and multiplanar reformatted images wer...
CONCLUSION Inflammatory diseases, such as non-specific sinusitis, fungal sinusitis and mucocele, commonly involve the sphenoid sinus. Endoscopic surgery provides an easy and successful access to isolated sphenoid sinus diseases (ISSDs) with rare complications. OBJECTIVES The incidence of ISSDs has decreased since a wide use of antibiotics. ISSDs can cause severe complications due to the deep ...
OBJECTIVE To describe the clinical features of invagination of the sphenoid sinus mucosa (ISM) and compare them with other similar cases using a visual analog scale (VAS) to assess the various nasal symptoms and to discuss its clinical significance and means of prevention. STUDY DESIGN Retrospective chart review at a tertiary referral center. METHODS Between 2010 and 2015, 8 patients who ha...
OBJECTIVES To assess the role of multidetector computed tomography (CT) and CT virtual sinoscopy in the evaluation of chronic sphenoid sinusitis and to compare the imaging findings with functional endoscopic sinus surgery. DESIGN Prospective study. SETTING Tertiary care teaching hospital. PATIENTS Thirty patients with chronic sphenoid sinusitis referred for preoperative CT. INTERVENTION...
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