Results 21 to 30 of about 595,866 (247)

A CASE OF SINO-NASAL MALIGNANT MELANOMA [PDF]

open access: yesTrakia Journal of Sciences, 2022
Mucosal melanomas are rare malignant neoplastic disease, that originates from melanocytes in mucosal tissue. It is a tumor mass of the nasal cavity or paranasal sinuses and most commonly originates from the nasal septum, nasal turbinates, or lateral ...
At. Vlaykov, St. Valkanov
doaj   +1 more source

Clinical, anatomopathological and immunohistochemical findings of a transitional cell carcinoma from nasal cavity, frontal and ethmoidal sinus with meningoencephalic invasion in a dog [PDF]

open access: yesOpen Veterinary Journal, 2021
Background: Primary neoplasms of the nasal cavity and sinuses are uncommon in domestic animals, most of which are of epithelial origin, being adenocarcinoma the most common tumor diagnosed in this region.
Leonardo L. Gorza   +7 more
doaj   +1 more source

Nasal airflow patterns in a patient with septal deviation and comparison with a healthy nasal cavity using computational fluid dynamics

open access: yesFrontiers in Mechanical Engineering, 2022
Background and objective: Causes for nasal airway obstruction (NAO) are many but septum deviation is the most prevalent etiology. A deviated septum affects the airflow dynamics in the human nasal cavity, which in turn affects the physiological functions ...
John Valerian Corda   +6 more
doaj   +1 more source

Three-Dimensional Structure Reconstruction System of Nasal Cavity Based on a Short-Source Acoustic Tube

open access: yesApplied Sciences, 2023
The nasal cavity three-dimensional structure reconstruction is significant for the diagnosis and treatment of nasal and nasopharynx diseases. Currently, most systems for nasal cavity three-dimensional structure reconstruction are based on a long-source ...
Xiaoqin Lian   +7 more
doaj   +1 more source

Rapid Maxillary Expansion Has a Beneficial Effect on the Ventilation in Children With Nasal Septal Deviation: A Computational Fluid Dynamics Study

open access: yesFrontiers in Pediatrics, 2022
Nasal septal deviation (NSD) is one of the most common nasal diseases. Different from common clinical examination methods, computational fluid dynamics (CFD) can provide visual flow information of the nasal cavity.
Shuai Chen   +5 more
doaj   +1 more source

Nasality Changes With Age in Normal Korean-Speaking Adults [PDF]

open access: yesClinical and Experimental Otorhinolaryngology, 2019
Objectives This study was performed to investigate the effects of aging on nasality and the influence of age-related changes in nasal cavity volume and nasal patency on nasality. Methods A total of 180 healthy Korean-speaking adult volunteers, who had no
Jun Xu   +7 more
doaj   +1 more source

Glass Particles in the Nasal Cavity for 30 Years and Squamous Cell Carcinoma: Is There a Relationship? [PDF]

open access: yes, 2022
Nasal cavity tumors constitute a very small part of head and neck malignancies. Although paranasal sinus tumors due to the presence of backward foreign bodies, neoplasms of nasal cavity associated with a foreign body are extremely rare.
Lütfü Şeneldir   +7 more
core   +1 more source

Intranasal Volume Changes Caused by the Endoscopic Endonasal Transsphenoidal Approach and Their Effects on Nasal Functions. [PDF]

open access: yesPLoS ONE, 2016
We evaluated postoperative changes in nasal cavity volume and their effects on nasal function and symptoms after endoscopic endonasal transsphenoidal approach for antero-central skull base surgery.Retrospective chart review at a tertiary referral center ...
Do Hyun Kim   +10 more
doaj   +1 more source

PEDV infection in neonatal piglets through the nasal cavity is mediated by subepithelial CD3+ T cells

open access: yesVeterinary Research, 2021
Porcine epidemic diarrhea virus (PEDV) primarily infects neonatal piglets causing catastrophic effects on the global pig farming industry. PEDV infects piglets through the nasal cavity, a process in which dendritic cells (DCs) play an important role ...
Chen Yuan   +5 more
doaj   +1 more source

Hyperdentia in adult patient in the ENT practice

open access: yesНаука и инновации в медицине, 2021
According to the literature, such dentition anomaly as supernumerary teeth is more common in the practice of a dentist than of an otorhinolaryngologist. Clinical manifestations of this pathology in adults are less frequent than in children. Periodically,
Lyubov V. Fileva   +6 more
doaj   +1 more source

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