Results 41 to 50 of about 13,886 (331)

Deep learning based CT-to-CBCT deformable image registration for autosegmentation in head and neck adaptive radiation therapy [PDF]

open access: yesarXiv, 2021
The purpose of this study is to develop a deep learning based method that can automatically generate segmentations on cone-beam CT (CBCT) for head and neck online adaptive radiation therapy (ART), where expert-drawn contours in planning CT (pCT) can serve as prior knowledge.
arxiv  

Modelling the human pharyngeal airway: validation of numerical simulations using in vitro experiments [PDF]

open access: yesMed Biol Eng Comput (2008) epub ahead of print, 2008
In the presented study, a numerical model which predicts the flow-induced collapse within the pharyngeal airway is validated using in vitro measurements. Theoretical simplifications were considered to limit the computation time. Systematic comparisons between simulations and measurements were performed on an in vitro replica, which reflects asymmetries
arxiv   +1 more source

Oral Cancer Awareness and its Determinants among a Selected Malaysian Population [PDF]

open access: yes, 2013
Objective: To assess oral cancer awareness, its associated factors and related sources of information among a selected group of Malaysians. Methods: A cross-sectional survey was conducted on all Malaysian ethnic groups aged >= 15 years old at eight ...
Doss, J. G.   +4 more
core   +2 more sources

Diagnostic Accuracy and Safety of Endoscopic – Guided Office-Based Biopsies for Laryngeal and Pharyngeal Lesions at St. Luke’s Medical Center

open access: yesPhilippine Journal of Otolaryngology Head and Neck Surgery
 Objective: To determine the sensitivity, specificity, positive predictive value, negative predictive value and safety of endoscopic guided office-based biopsies (OBB) in diagnosing laryngeal and pharyngeal neoplasms at the St.
Diana Fernandez, Ronaldo Soriano
doaj   +1 more source

A biomechanical model of swallowing for understanding the influence of saliva and food bolus viscosity on flavour release [PDF]

open access: yesJournal of Theoretical Biology 280 (2011) 180-8, 2013
After swallowing a liquid or a semi-liquid food product, a thin film responsible for the dynamic profile of aroma release coats the pharyngeal mucosa. The objective of the present article was to understand and quantify physical mechanisms explaining pharyngeal mucosa coating. An elastohydrodynamic model of swallowing was developed for Newtonian liquids
arxiv   +1 more source

Mathematical models for order of mutation problem in myeloproliferative neoplasm: non-additivity and non-commutativity [PDF]

open access: yesarXiv, 2023
In some patients of myeloproliferative neoplasm, two genetic mutations can be found: JAK2 V617F and TET2. When one mutation is present or not, the other mutation has different effects on regulating gene expressions. Besides, when both mutations are present, the order of occurrence might make a difference.
arxiv  

Order-of-mutation effects on cancer progression: models for myeloproliferative neoplasm [PDF]

open access: yesarXiv, 2023
We develop a modeling framework for cancer progression that distinguishes the order of two possible mutations. Recent observations and information on myeloproliferative neoplasms are analyzed within our framework. In some patients with myeloproliferative neoplasms, two genetic mutations can be found, JAK2 V617F and TET2.
arxiv  

Asymptomatic marginal zone lymphoma of mucosa-associated lymphoid tissue in the hypopharynx, detected with esophagogastroduodenoscopy

open access: yesActa Oto-Laryngologica Case Reports, 2018
Mucosa-associated lymphoid tissue (MALT) lymphoma is a type of lymphoma that commonly originates in the gastrointestinal (GI) tract, and in rare instances may also occur in the head and neck region.
Takuya Okada   +11 more
doaj   +1 more source

Hospitalization of Pediatric Patients with Oral and Pharyngeal Cancer in Brazil’s National Health System from 2008 to 2023

open access: yesRevista Brasileira de Cancerologia
Introduction: Pediatric cancer patients often need inpatient admissions due to treatment or complications, but this variable was not systematically evaluated in Brazil’s public health services. Objective: To evaluate inpatient admissions of children and
Ricardo Barbosa Lima   +7 more
doaj   +1 more source

Oral Cancer

open access: yesMedEdPORTAL, 2013
The information contained in the four modules is intended to allow the practicing clinician to diagnose and stage oral cancer at the earliest possible time so as to increase the patient's prognosis.
Ines Velez, Michael Siegel, Luis Tamara
doaj   +1 more source

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