Results 21 to 30 of about 309,469 (351)

The impact of nasal adhesions on airflow and mucosal cooling -- a computational fluid dynamics analysis [PDF]

open access: yesRespiratory Physiology & Neurobiology Volume 293, November 2021, 103719, 2021
Nasal adhesions are a known postoperative complication following surgical procedures for nasal airway obstruction (NAO); and are a common cause of surgical failure, with patients often reporting significant NAO, despite relatively minor adhesion size.
arxiv   +1 more source

Sinus computed tomography findings in patients with COVID-19

open access: yesEinstein (São Paulo), 2021
Objective: To analyze computed tomography scans of paranasal sinuses of a series of patients with coronavirus disease 2019, and correlate the findings with the disease.
Daniel Vaccaro Sumi   +6 more
doaj   +2 more sources

Large Fungal Ball of the Paranasal Sinuses and Nasal Cavity: Two Case Reports [PDF]

open access: yesInternational Journal of Biomedicine, 2019
Two cases of a large fungal ball of the paranasal sinuses and nasal cavity are presented and its removal via an endoscopic approach is detailed. The clinical symptoms of the fungal body of the paranasal sinuses are not specific.
Dmitrii Shcherbakov   +3 more
doaj   +1 more source

Geometric Atlas of the Middle Ear and Paranasal Sinuses for Robotic Applications [PDF]

open access: yes, 2021
In otolaryngologic surgery, more and more robots are being studied to meet the clinical needs of operating rooms. However, to help design and optimize these robots, the workspace must be precisely defined taking into account patient variability. The aim of this work is to define a geometric atlas of the middle ear and paranasal sinuses for endoscopic ...
arxiv   +1 more source

Juvenile Paget's Disease with Paranasal Sinus Aplasia [PDF]

open access: yesClinical and Experimental Otorhinolaryngology, 2008
Juvenile Paget's disease (JPD) is a rare skeletal disorder that's characterized by bone demineralization and elevated levels of serum alkaline phosphatase. JPD involves the paranasal sinuses in extremely rare cases. We report here on a 25-month-old Asian
Ki Beom Bae   +4 more
doaj   +1 more source

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

Nitric oxide unravels the enigmatic function of the paranasal sinuses: a review of literature

open access: yesThe Egyptian Journal of Otolaryngology, 2020
Background The physiological functions of the paranasal sinuses are as yet unclear, and it is often assumed that these empty air-filled spaces have no vital function in our body.
Remon Bazak   +3 more
doaj   +1 more source

Nasal decongestants in complex treatment of acute rhinosinusitis in children

open access: yesМедицинский совет, 2013
Doctors have been dealing with inflammatory disease of nose and paranasal sinuses as early as since the XVII century. Rhinosinusitis is a polyethiologic inflammation of nose and paranasal sinuses, accompanied by congestion of secretion and impaired ...
E. P. Karpova, E. E. Vagina
doaj   +1 more source

Metastatic renal cell carcinoma presenting as a paranasal sinus mass: the importance of differential diagnosis [PDF]

open access: yes, 2017
Metastases in the paranasal sinuses are rare; renal cell carcinoma is the most common cancer that metastasizes to this region. We present the case of a patient with a 4-month history of a rapidly growing mass of the nasal pyramid following a nasal trauma,
ALTISSIMI, Giancarlo   +3 more
core   +4 more sources

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

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