Results 11 to 20 of about 47,695 (303)

Xenon-Enhanced Dynamic Dual-Energy CT Is Able to Quantify Sinus Ventilation Using Laminar and Pulsating Air-/Gas Flow Before and After Surgery: A Pilot Study in a Cadaver Model

open access: yesFrontiers in Allergy, 2022
BackgroundChronic rhinosinusitis is a common disease with a significant impact on the quality of life. Topical drug delivery to the paranasal sinuses is not efficient to prevent sinus surgery or expensive biologic treatment in a lot of cases as the ...
Sven Becker   +8 more
doaj   +1 more source

The Nose and Paranasal Sinuses

open access: yesInternational Journal of Immunopathology and Pharmacology, 2010
The airways should be considered as a functional unit. Indeed, disorders involving the upper respiratory tract (URT) spread to the lower respiratory tract (LRT). Modern functional anatomy divides URT in three, mutually dependent, “junction boxes”: i) the ostio-meatal complex (OMC), ii) the spheno-ethmoidal recess (SER), and iii) the rhinopharynx (RP).
Varricchio A   +4 more
openaire   +3 more sources

Imaging for endoscopic sinus surgery in adults [PDF]

open access: yes, 2002
Computerized tomography (CT) offers the gold standard in terms of imaging the extent of disease and the fine detailed anatomy, both pre-requisites to the safe practice of endoscopic sinus surgery. Neither plain X-rays nor magnetic resonance imaging (MRI)
Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Carcinoma of the Paranasal Sinuses [PDF]

open access: yesCancer, 1982
Thirty-eight patients with carcinoma of the paranasal sinuses received primary therapy consisting of external beam megavoltage irradiation alone or in combination with surgery at the Stanford University Medical Center, Division of Radiation Therapy, during the period between 1956-1974.
S E, Bush, M A, Bagshaw
openaire   +2 more sources

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

Normal Computed Tomography and Radiographic Study of the Nasal Cavity and Paranasal Sinuses in Shal Sheep (Ovis arries) [PDF]

open access: yesIranian Journal of Veterinary Surgery, 2023
Understanding anatomical structures from the past to the present has been one of the guidelines for advancing medical and veterinary science worldwide. The lack of comprehensive information on the anatomy of the paranasal sinuses and the Shal sheep nasal
Alireza Vajhi   +6 more
doaj   +1 more source

Optimum management of inverted papilloma [PDF]

open access: yes, 2002
Surgery offers the optimum modality of treatment for inverted papilloma although a considerable range of operative approaches have been described. The results are presented in a cohort of 37 cases treated by both endoscopic and combined endoscopic and ...
Lund, VJ
core   +1 more source

Tuberculosis of paranasal sinuses [PDF]

open access: yesIndian Journal of Otolaryngology and Head & Neck Surgery, 2008
Nasal tuberculosis is very rare but much rarer is tuberculosis of paranasal sinuses. It involves especially the maxillary sinus and is usually unilateral. We report an unusual case of tuberculosis of frontal and maxillary sinus in a 68 years old male, who presented with a swelling above left medial canthus, with no other eye or nasal complaints ...
S, Sanehi   +3 more
openaire   +2 more sources

The role of midfacial degloving in modern rhinological practice [PDF]

open access: yes, 1999
The midfacial degloving approach has been available for twenty five years and is slowly increasing in popularity in the management of extensive benign lesions of the sinonasal region, for selected malignancy in this area and to afford access to the ...
Howard, DJ, Lund, VJ
core   +1 more source

Pediatric Nasal Cavity and Paranasal Sinuses: A Digital Interactive Teaching File of Normal Anatomy, Variants, and Disease (Out of Print)

open access: yesMedEdPORTAL, 2009
Imaging evaluation of the pediatric paranasal sinuses is complicated by complex 3D anatomy and frequent anatomical variations. While hard-copy atlases of the paranasal sinuses exist, these often show only a few selected images of relevant anatomical ...
Grace Phillips   +4 more
doaj   +1 more source

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