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   Articles with "nasal cavity" as a keyword



The effects of injection modes on instantaneous particle deposition in a realistic human nasal cavity.

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recommendations! Published in 2017 at "International journal for numerical methods in biomedical engineering"

DOI: 10.1002/cnm.2802

Abstract: To understand the instantaneous particle deposition in nasal cavity, effects of two injection models on particle deposition characteristic were discussed in this paper. Based on a realistic human nasal cavity geometry obtained from CT scans,… read more here.

Keywords: deposition; particle deposition; injection; nasal cavity ... See more keywords

Multimodality Imaging Evaluation of an Uncommon Benign Nasal Cavity Tumor

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recommendations! Published in 2020 at "Clinical Neuroradiology"

DOI: 10.1007/s00062-020-00968-1

Abstract: A sinonasal angioleiomyoma is a rare benign tumor of the nasal cavity [1, 2]. Angioleiomyoma is composed of smooth muscles around vascular spaces [3, 4]. The most common locations in the head and neck region… read more here.

Keywords: imaging evaluation; evaluation uncommon; cavity; multimodality imaging ... See more keywords

Multifactorial assessment is essential to maximize the likelihood of good outcomes after endoscopic dacryocystorhinostomy

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recommendations! Published in 2017 at "European Archives of Oto-Rhino-Laryngology"

DOI: 10.1007/s00405-017-4685-6

Abstract: in the adjacent nasal cavity and paranasal sinuses. Certain diseases and anatomical variations of the nasal cavity and paranasal sinuses may affect DCR functional outcomes. For example, anterior ethmoid pneumatization with agger nasi cells and… read more here.

Keywords: endoscopic dcr; cavity paranasal; success; dcr ... See more keywords
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The Nasal Cavity Mass with Oropharyngeal Extension Causing Progressive Dysphagia

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recommendations! Published in 2020 at "Dysphagia"

DOI: 10.1007/s00455-020-10154-7

Abstract: Although dysphagia and lump sensation in the throat caused by intranasal benign tumors with oropharyngeal extension is a rare condition, we suggest that clinicians should thoroughly examine the presence of nasal pathologies using various endoscopes… read more here.

Keywords: cavity mass; oropharyngeal extension; dysphagia nasal; extension ... See more keywords
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Effects of velopharyngeal openings on flow characteristics of nasal emission.

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recommendations! Published in 2020 at "Biomechanics and modeling in mechanobiology"

DOI: 10.1007/s10237-019-01280-9

Abstract: Nasal emission is a speech disorder where undesired airflow enters the nasal cavity during speech due to inadequate closure of the velopharyngeal valve. Nasal emission is typically inaudible with large velopharyngeal openings and very distorting… read more here.

Keywords: velopharyngeal; nasal emission; geometry; flow characteristics ... See more keywords

Safety and Pharmacokinetics of Intranasally Administered Heparin

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recommendations! Published in 2022 at "Pharmaceutical Research"

DOI: 10.1007/s11095-022-03191-4

Abstract: Purpose Intranasally administered unfractionated heparin (UFH) and other sulfated polysaccharides are potential prophylactics for COVID-19. The purpose of this research was to measure the safety and pharmacokinetics of clearance of intranasally administered UFH solution from… read more here.

Keywords: safety pharmacokinetics; intranasally administered; nasal cavity; heparin ... See more keywords
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Immunohistochemical and qPCR Detection of SARS-CoV-2 in the Human Middle Ear Versus the Nasal Cavity: Case Series

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recommendations! Published in 2021 at "Head and Neck Pathology"

DOI: 10.1007/s12105-021-01378-6

Abstract: Viral infections have already been implicated with otitis media and sudden sensorineural hearing loss. However, the pathophysiology of COVID-19 as it relates to otologic disorders is not well-defined. With the spread of SARS-CoV-2, it is… read more here.

Keywords: middle ear; sars cov; immunohistochemical qpcr; nasal cavity ... See more keywords
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Adult embryonal rhabdomyosarcoma in the nasal cavity; a case report with a review of the literature

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recommendations! Published in 2022 at "Annals of Medicine and Surgery"

DOI: 10.1016/j.amsu.2022.103424

Abstract: Introduction Rhabdomyosarcoma (RMS) is a primitive malignant soft tissue tumor arising from premature mesenchymal cells. The current study presents a rare case of embryonal rhabdomyosarcoma in the nasal cavity of an adult patient. Case presentation… read more here.

Keywords: case; nasal cavity; cavity; embryonal rhabdomyosarcoma ... See more keywords

Geometry and airflow dynamics analysis in the nasal cavity during inhalation.

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recommendations! Published in 2019 at "Clinical biomechanics"

DOI: 10.1016/j.clinbiomech.2017.10.006

Abstract: BACKGROUND A major issue among computational respiratory studies is the wide variety of nasal morphologies being studied, caused by both inter-population and inter-subject variations. METHOD Six nasal cavity geometries exhibiting diverse geometry variations were subjected… read more here.

Keywords: geometry airflow; geometry; inhalation; flow ... See more keywords

Examining mesh independence for flow dynamics in the human nasal cavity

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recommendations! Published in 2018 at "Computers in biology and medicine"

DOI: 10.1016/j.compbiomed.2018.09.010

Abstract: Increased computational resources provide new opportunities to explore sophisticated respiratory modelling. A survey of recent publications showed a steady increase in the number of mesh elements used in computational models over time. Complex geometries such… read more here.

Keywords: mesh independence; wall; flow; nasal cavity ... See more keywords

Comparison of micron- and nano-particle transport in the human nasal cavity with a focus on the olfactory region

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recommendations! Published in 2021 at "Computers in biology and medicine"

DOI: 10.1016/j.compbiomed.2020.104103

Abstract: Intranasal administration of drugs serves as a promising, noninvasive option for the treatment of various disorders of the central nervous system and upper respiratory tract. Predictive, ie, realistic and accurate, particle tracking in the human… read more here.

Keywords: human nasal; deposition; particle; olfactory region ... See more keywords