Results 11 to 20 of about 328,427 (234)

Optic Nerve Canal Relation to Posterior Paranasal Sinuses in Indian Ethnics: Review and Objective Classification [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Posterior paranasal sinuses consisting of posterior ethmoid and sphenoid sinuses show varying pneumatization and relationship to Optic Nerve Canal (ONC). Most commonly ONC is superolateral to sphenoid sinus, however varied protrusion of
RISHIKESH MADHUKAR ITAGI   +4 more
doaj   +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   +2 more sources

Pediatric paranasal sinuses—Development, growth, pathology, & functional endoscopic sinus surgery

open access: yesClinical anatomy (New York, N.Y. Print), 2022
The paranasal sinuses (maxillary, frontal, ethmoid, and sphenoid sinuses) are complex anatomical structures. The development and growth of these have been investigated utilizing a number of different methods ranging from cadaveric analysis to modern ...
S. Lee   +3 more
semanticscholar   +1 more source

Anatomical Variations of the Nasal Cavities and Paranasal Sinuses: A Systematic Review

open access: yesCureus, 2021
The anatomy of the nasal cavities and paranasal sinuses is one of the most varied in the human body. The aim of this study is to review the prevalence of anatomical variations in the sinonasal area.
A. Papadopoulou   +4 more
semanticscholar   +1 more source

Paranasal sinuses computed tomography findings in anosmia of COVID-19

open access: yesAmerican Journal of Otolaryngology, 2020
Objective Olfactory dysfunction in coronavirus disease-2019 (COVID-19) is poorly understood. Thus, mechanistic data are needed to elucidate the pathophysiological drivers of anosmia of COVID-19.
Ali Safavi Naeini   +7 more
semanticscholar   +1 more source

Segmentation procedures for the assessment of paranasal sinuses volumes

open access: yesThe Neuroradiology Journal, 2020
Background The paranasal sinuses are complex anatomical structures, characterised by highly variable shape, morphology and size. With the introduction of multidetector scanners and the development of many post-processing possibilities, computed ...
M. Cellina   +6 more
semanticscholar   +1 more source

Neurilemmoma of the Nasal Cavity and Paranasal Sinuses

open access: yesEar, Nose & Throat Journal, 2023
Objectives: Neurilemmoma in the nasal cavity and paranasal sinuses is very rare. The study aimed to improve the understanding of neurilemmoma in the nasal cavity and paranasal sinuses.
Xindi He MS, Ying Wang MD
doaj   +1 more source

Incidental detection of paranasal sinuses abnormalities on CT imaging of the head in Saudi adult population.

open access: yesPLoS ONE, 2022
The paranasal sinuses are hollowed, air-filled cavities surrounding the nasal cavity. Many pathological processes affect the sinuses, but inflammatory conditions are the commonest, even in asymptomatic patients who undergo head imaging for other ...
Ali Hassan A Ali   +10 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

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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