Results 21 to 30 of about 2,117,902 (296)

Middle Ear Paraganglioma

open access: yesPhilippine Journal of Otolaryngology Head and Neck Surgery, 2017
A 51-year old woman underwent mastoidectomy with labyrinthectomy on the right for a polypoid external auditory canal mass accompanied by tinnitus and ear discharge.
Jose M. Carnate   +2 more
doaj   +1 more source

Prospective Study on the Dose Distribution to the Middle-ear Structures during 3D Conformal Radiotherapy for Head and Neck Tumors and Dose Effect on Middle-ear Toxicity: Zagazig University Hospitals Experience. [PDF]

open access: yesZagazig University Medical Journal, 2022
Background: Head and neck cancer (HNC) is a significant public health problem over the world. Head and neck squamous cell carcinomas are the sixth most common malignancy worldwide. Radiation therapy (RT) is a corner stone in the treatment of HNC. Aim and
Randa Monged   +3 more
doaj   +1 more source

MIDDLE-EAR SCLEROSIS, OR ATROPHIC MIDDLE-EAR CATARRH. [PDF]

open access: yesJournal of the American Medical Association, 1908
This condition depends on trophic changes and, in contrast to a multitude of clinical forms that have been described under various names, it has a comparatively simple pathology. The clinical appearances vary with the location and degree of the pathologic change and with the structure and tissue affected.
openaire   +1 more source

Discovering Middle Ear Anatomy by Transcanal Endoscopic Ear Surgery: A Dissection Manual [PDF]

open access: yes, 2018
The middle ear is located in the center of the temporal bone and bears a highly complex anatomy. The recently introduced exclusively endoscopic transcanal approach to the middle ear is a minimally invasive technique sparing the bone and mucosa of the ...
Bonali, Marco   +21 more
core   +3 more sources

A RARE CASE OF MIDDLE EAR ADENOMA [PDF]

open access: yes, 2014
2014-08Middle ear adenoma is a rare disease that is thought to originate in the middle ear mucosa. It occurs over a wide age range, has no gender predilection, and is not characterized by specific symptoms or findings.
BAKU, MASAYO, UEDA, HIROMI
core   +1 more source

Mouse middle ear ion homeostasis channels and intercellular junctions. [PDF]

open access: yesPLoS ONE, 2012
The middle ear contains homeostatic mechanisms that control the movement of ions and fluids similar to those present in the inner ear, and are altered during inflammation.The normal middle ear cavity is fluid-free and air-filled to allow for effective ...
Lisa M Morris   +4 more
doaj   +1 more source

Morphological aspects of tympanic bulla after lateral osteotomy in cats [PDF]

open access: yesActa Cirúrgica Brasileira, 2008
PURPOSE: To evaluate tympanic bulla healing after experimental lateral osteotomy in cats. METHODS: Twenty adult cats were submitted to unilateral lateral bulla osteotomy and divided into two groups: cats of B1 group (n=10) were euthanized at 8 weeks and ...
Adelina Maria da Silva   +4 more
doaj   +1 more source

Middle ear pathologies in children living with HIV: A scoping review

open access: yesSouth African Journal of Communication Disorders, 2022
Background: Middle ear pathologies are associated with and persist in individuals living with human immunodeficiency virus (HIV). Yet, limited research exists on middle ear pathologies in children living with human immunodeficiency viruses.
Ben Sebothoma, Minkhenso Maluleke
doaj   +1 more source

THE PHYSIOLOGY OF THE MIDDLE EAR. [PDF]

open access: yesJAMA: The Journal of the American Medical Association, 1904
The scope of this paper embraces the following parts: 1, the drum cavity; 2, the attic; 3, the aditus ad antrum; 4, the mastoid antrum; 5, the mastoid cells; 6, the eustachian tube. The function of the eustachian tube is, first, to ventilate the middle ear, and secondly, to drain the secretions from the middle ear into the nasopharynx.
openaire   +1 more source

Microarray analysis and functional prediction of differentially expressed circular RNAs in acquired middle ear cholesteatoma

open access: yesBioMedical Engineering OnLine, 2021
Background Middle ear cholesteatoma is characterized by hyper-proliferation of keratinocytes. Circular RNA (circRNA) plays an essential role in the pathogenesis of many proliferative diseases.
Shumin Xie   +4 more
doaj   +1 more source

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