نتایج جستجو برای: frontal sinus
تعداد نتایج: 81816 فیلتر نتایج به سال:
A case report of a massive cholesterol granuloma (CG) of the frontal sinus in a 15-year-old male subject treated endoscopically is reported. CGs are slowly expanding, cystic lesions that are rarely observed in the frontal sinus. Frontal sinus CGs characteristically present with proptosis, diplopia, and a unilateral painless expanding mass above the orbit. Patients frequently report a history of...
Objective Paranasal sinus osteomas are benign tumors that are smooth-walled, slow-growing, and induced by bone tissue. Although their most common localization is the frontal sinus, some osteomas are seen in the ethmoid, maxillary, and sphenoid sinuses. Frontal sinus osteomas are often asymptomatic; however, when they become symptomatic, headache is the most common complaint. In this study, we a...
Abstract Background The anatomical variation of the frontal sinus and its intimate relation to skull base orbit makes surgery demanding. extended endoscopic allows wide better drainage preventing recurrence disease. Fourteen patients underwent EEFSS from May 2017 2019. These are nine presented by chronic recurrent sinusitis, three fronto ethmoidal mucocele two with external fistula. Draff III d...
This study is aimed at assessing the reliability of morphometric measurements performed on the frontal sinus, nasal septum and maxillary sinus in personal identification using three dimensional Cone Beam Computed Tomography. This study propounds the significance of combined use of all three particularly maxillary sinus and nasal septum pattern in individual identification. This retrospective st...
Frontal sinus surgery continues to remain one of the most challenging areas for sinus surgeons. Many different techniques have been introduced for dealing with the frontal sinus. These can range from conservative, mucus membrane-preserving, strictly endoscopic techniques to radical endoscopic and open procedures using drills and burrs to create large openings, all with the aim of keeping the fr...
A 59-year-old male presented with a large cholesterol granuloma arising from the frontal sinus manifesting as a large, fluctuated, soft mass in his brow, compressing left eye. Skull radiography showed dilation of the frontal sinus. Computed tomography and magnetic resonance imaging revealed a cystic mass extending into the left orbit and anterior cranial fossa. Gross inspection at the frontal c...
Over a period of 2 years we reviewed the CT scans of 217 patients with recurrent sinusitis. Our findings revealed a number of cases of osteomeatal complex disease with no frontal sinus involvement. This result is difficult to reconcile with the concept of a common drainage in the middle meatus shared by the frontal and anterior ethmoid sinuses. We conclude that the frontal sinus drains separate...
Draf's drainage surgery, an endonasal micro-endoscopic approach to establish one of three types of frontal sinus drainage, is becoming the standard operative procedure in Europe and America especially for recurrent cases. We reported a recurrent frontal sinus cyst that we treated in accordance with Draf's drainage surgery under the navigation system. The patient was an 81-year-old male, who com...
62 INTERNATIONAL DENTISTRY – AUSTRALASIAN EDITION VOL. 7, NO. 1 Abstract The purpose of this study was to evaluate the repair process in the reconstruction of the anterior wall of the frontal sinus of monkeys with bovine bone matrix. Four adult Cebus apella monkeys underwent an ostectomy of the anterior wall of the frontal sinus. The frontal sinus mucosa and the nasofrontal duct were not manipu...
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