Results 11 to 20 of about 24,156 (237)

Impact of paranasal sinus invasion on advanced nasopharyngeal carcinoma treated with intensity‐modulated radiation therapy: the validity of advanced T stage of AJCC/UICC eighth edition staging system

open access: yesCancer Medicine, 2018
The aim of this study was to clarify the prognostic role of paranasal sinus invasion in advanced NPC patients. Data of patients (n = 295) with advanced NPC (T3/T4N0‐3 M0) treated with intensity‐modulated radiation therapy were retrospectively analyzed ...
Ying Wang   +9 more
doaj   +1 more source

Paranasal sinus cancer

open access: yesEuropean Annals of Otorhinolaryngology, Head and Neck Diseases, 2013
Paranasal sinus cancers are rare, aggressive tumours that are usually diagnosed at an advanced stage. They differ from other upper aerodigestive tract tumours in terms of risk factors (wood dust exposure) and premalignant lesions (inverted papillomas).
Jégoux, F.   +3 more
openaire   +2 more sources

Total Aplasia of the Paranasal Sinuses

open access: yesAllergy & Rhinology, 2013
Although a variety of theories have been proposed about functions of the paranasal sinuses, not one is clear today. Nonetheless, paranasal sinus–related diseases are associated with a high rate of morbidities.
Hakan Korkmaz M.D.   +1 more
doaj   +1 more source

Nasal Cavity and Paranasal Sinuses Tumor Segmentation Algorithm Based on D-Unet Neural Network [PDF]

open access: yesJisuanji gongcheng, 2022
Nasal cavity and paranasal sinus tumor are a type of multiple disease, and their CT images are characterized by irregular shape as well as uneven boundary.When dealing with these images, the existing U-Net segmentation algorithms are not sensitive to ...
LI Fuhao, ZHAO Ximei
doaj   +1 more source

UTILITY OF PARANASAL SINUS RADIOGRAPHY [PDF]

open access: yesMedical Journal Armed Forces India, 2002
Dear Editor, Radiographs of paranasal sinuses are frequently taken in patients with obvious nasal pathology to rule out concomitant sinus disease, with equal frequency they are demanded by both general practitioners and otolaryngologists even in patients who do not have apparent nasal pathology like patients with chronic headache, chronic cough ...
A K, Mehta, R, Ravikumar
openaire   +2 more sources

Maxillary sinus tuberculosis: a case report

open access: yesTurkish Archives of Otorhinolaryngology, 2012
Paranasal sinus tuberculosis is considerably scarce because paranasal sinus mucosa has natural resistant to the invasion of pathogen. In this study, a 62- aged male patient who had Caldwell- Luc operation with pre-diagnosis of left maxillary sinus ...
Erol Keleş   +3 more
doaj   +1 more source

There Is No Structural Relationship between Nasal Septal Deviation, Concha Bullosa, and Paranasal Sinus Fungus Balls

open access: yesThe Scientific World Journal, 2012
This study aims to determine the relationship between nasal septal deviation, concha bullosa, and chronic rhinosinusitis by using a definitive pathological and simplified model.
Tung-Lung Tsai   +2 more
doaj   +1 more source

Pan-pneumatocele of Paranasal Sinuses: A Rare Entity

open access: yesIndian Journal of Neurosurgery, 2016
Excessive enlargement of the paranasal sinuses is a rare entity with an uncertain etiology. It usually affects the frontal sinus, although any sinus can be pathologically enlarged.
Sumit Bansal, Ashok Kumar Mahapatra
doaj   +1 more source

A Case Report of Pneumosinus Dilatans of the Frontal Sinus and Review of the Literature [PDF]

open access: yesDüzce Tıp Fakültesi Dergisi, 2010
Pneumosinus dilatans is an extremely rare condition which is characterized by gross enlargementof the paranasal sinuses. The etiology is not identified. Pneumosinus dilatans refers to an aeratedsinus which is abnormally expanded. Anatomical variations of
Hüseyin YAMAN et al.   +2 more
doaj  

The Unified Airway: Does Asthma Influence Paranasal Sinus Pneumatization?

open access: yesEar, Nose & Throat Journal, 2020
Asthma has been implicated as a driving force in lower airway remodeling; however, its effect on upper airway development has not been studied. Clinical disease, particularly cystic fibrosis (CF), has been associated with anatomical paranasal sinus ...
Michael J. Marino MD   +4 more
doaj   +1 more source

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