نتایج جستجو برای: ethmoid

تعداد نتایج: 1197  

Journal: :Head and Neck Pathology 2011

Journal: :AJNR. American journal of neuroradiology 2008
P M Som W Lawson

BACKGROUND AND PURPOSE Recent interest in the origin and complications associated with frontal intersinus septal cells prompted us to review our material looking for cases of the uncommon occurrence of a mucocele developing within such a cell. The purpose of this article was to present the imaging findings on 4 cases of mucoceles arising within surgically proven frontal intersinus septal cells....

Journal: :Acta stomatologica Croatica 2015
Dražen Shejbal Gabrijela Vonsović Tomislav Baudoin Davor Vagic

Cemento-ossifying fibromas are a group of rarely occurring benign tumours, developing from the periodontal membrane and varying considerably in appearance and in the progress of the disease. Their common feature is higher or lower production of cemental tissue. In most cases the tumours are small because their cementoma mature quickly and become inactive, which causes the tumour to stop growing...

Journal: :Radiation Oncology (London, England) 2007
Antoine Serre Katia Idri Pascal Fenoglietto Norbert Ailleres Lore Santoro Claire Lemanski Renaud Garrel Marc Makeieff Ali Allaw Jean-Bernard Dubois David Azria

BACKGROUND To compare non coplanar field (NCF) with coplanar field (CF) -intensity-modulated radiotherapy (IMRT) planning for ethmoid cancer. METHODS Seven patients treated with NCF IMRT for ethmoid cancer were studied. A CF IMRT optimization was prepared with the same constraints as for the NCF treatment. The maximum point doses (D max) obtained for the different optic pathway structures (OP...

2006
Ravi Meher

Osteomas are slow growing bony tumors common in fronto-ethmoid regions and rare in temporal bone. These are usually asymptomatic and require treatment mainly for cosmetic reasons. We describe a case of temporal bone osteoma in a female.

2016
Mony Chenda Morisse Loay Kontar Céline Bihan Mathieu Boone Emma Lachaier Dimitri Titeca-Beauport Julien Maizel Bruno Chauffert

Cancer-related thrombotic microangiopathy (TMA) is a rare entity whose clinical and biological characteristics have been described in various tumors. Here we describe the first case of cancer-related TMA revealing diffuse bone metastases from an ethmoid sinus carcinoma.

Journal: :American journal of rhinology & allergy 2009
James Stankiewicz Thomas Tami Theodore Truitt James Atkins Douglas Liepert Bradford Winegar

BACKGROUND A multicenter study (BREATHE I - Entellus Medical, Inc.) was performed to assess the safety and outcomes of a new, less invasive system that uses direct endoscopic visualization to facilitate balloon dilation of the maxillary sinus ostia and ethmoid infundibulum. General anesthesia was avoided in most subjects to assess feasibility of performing transantral ostial dilatation in an of...

Journal: :Otolaryngologia polska = The Polish otolaryngology 2015
Selvet Erdogan I Gurkan Keskin Murat Topdag Murat Ozturk Fatih Sari Fatih Mutlu

OBJECTIVE We evaluated the extent of asymmetry evident in paranasal sinus computed tomography (CT) scans of Turkish patients without sinusitis in the ethmoid roof. Our data contribute to the body of knowledge on the subject. MATERIALS AND METHODS We retrospectively studied multiplanar reformatted CT images of the paranasal sinus (1-mm sections) from 110 patients (50 male, 60 female). Ethmoid ...

Journal: :Ear, nose, & throat journal 2011
Aun Wee Chong Narayanan Prepageran Omar Rahmat Viswaraja Subrayan Mohd Amin Jalaludin

We report the rare occurrence of bilateral asymmetrical mucoceles of the paranasal sinuses that resulted in a unilateral orbital complication. The patient was a 47-year-old woman who presented with complaints of diplopia, blurred vision, and protrusion of her right eye that had progressed over a period of several months following an upper respiratory tract infection. Computed tomography detecte...

2017
Mark Brinton Andrea L. Kossler Zara M. Patel James Loudin Manfred Franke Christopher N. Ta Daniel Palanker

Purpose Electrical neurostimulation enhances tear secretion, and can be applied to treatment of dry eye disease. Using a chronic implant, we evaluate the effects of stimulating the anterior ethmoid nerve on the aqueous, lipid, and protein content of secreted tears. Methods Neurostimulators were implanted beneath the nasal mucosa in 13 New Zealand white rabbits. Stimulations (2.3-2.8 mA pulses...

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