Results 31 to 40 of about 6,626 (217)

Endoscopic Management of Pediatric Cholesteatoma

Journal of Otology, 2020
Pediatric cholesteatoma occurs in one of two forms: congenital cholesteatoma, developing from embryonic epidermal cell rests or acquired cholesteatoma, associated with a focal defect in the tympanic membrane.
Peter J. Ryan, Nirmal P. Patel
doaj   +1 more source

MANAGEMENT OF BILATERAL IDIOPATHIC CHOLESTEATOMA OF THE EXTERNAL AUDITORY CANAL: A CASE REPORT [PDF]

Euromediterranean Biomedical Journal, 2023
Cholesteatoma of the external auditory canal is an extremely uncommon pathology that has an incidence of 0.1% in the world population. Generally, cholesteatoma presents in a unilateral form with accumulation of epidermal deposits.
Francesco Gazia
doaj   +1 more source

Multiple Spontaneous CSF Leaks in a Patient With Turner Syndrome: A Case Study. [PDF]

Clin Case Rep
ABSTRACT Patients with Turner syndrome often have ear abnormalities which predispose them to chronic otitis media. They are also predisposed to develop intracranial hypertension. Both of these conditions can contribute to the development of skull base defects, which should be considered in patients with Turner syndrome presenting with them.
Podolny AL, Kennedy CL, Adams ME, Venteicher AS.   +3 more
europepmc   +2 more sources

Isolated Congenital Mastoid Cholesteatoma with no Involvement of Aditus Ad Antrum and Middle Ear

Clinical Medicine Insights: Case Reports, 2021
Cholesteatoma is a non-neoplastic, keratinized squamous epithelial lesion that affects the temporal bone. The middle ear is the most frequent, while the isolated cholesteatoma of the mastoid is rare.
Pace Annalisa, Iannella Giannicola, Rossetti Valeria, Messineo Daniela, Visconti Irene Claudia, Polimeni Roberta, Milani Alessandro, Magliulo Giuseppe   +7 more
doaj   +1 more source

The use of parietotemporal fascia flap in the treatment of recurrent cholesteatoma: clinical case [PDF]

Revista Brasileira de Cirurgia Plástica, 2022
Cholesteatoma consists of an inflmmatory process that results in the migration of squamous keratinized epithelium into the middle ear. Although regarded as a histopathologically benign entity it can behave quite aggressively being an important cause of ...
João Baltazar Ferreira, Carla Brandão, Rita Meireles, Mário Jorge Freire Santos   +3 more
doaj   +1 more source

Notch Signaling in Acquired Middle Ear Cholesteatoma [PDF]

, 2021
Hypothesis: We hypothesized that an anomalous change of Notch signaling might be involved in the pathophysiology of cholesteatoma. Background: The Notch signaling pathway regulates integrated growth and differentiation control of keratinocytes.
Fukuda, Atsushi, Hoshino, Kimiko, Shinya Morita, Akihiro Homma, Yuji Nakamaru, Kimiko Hoshino, Morita, Shinya, Atsushi Fukuda, Fujiwara, Keishi, Keishi Fujiwara, Satoshi Kano, Kano, Satoshi, Nakamaru, Yuji, Homma, Akihiro   +13 more
core   +1 more source

Investigation of the Serum Level of Vitamin D in Patients with Ear Cholesteatoma [PDF]

Iranian Journal of Otorhinolaryngology, 2022
Introduction:This study aimed to investigate the serum level of vitamin D in patients with ear cholesteatoma. Materials and Methods:This cross-sectional study was performed on 62 patients with middle ear cholesteatoma (case group) and 62 patients with ...
Fatemeh Fanimolky, Maryam Amizadeh
doaj   +1 more source

Stem cells in middle ear cholesteatoma contribute to its pathogenesis.

, 2018
Nagel J, Wöllner S, Schürmann M, et al. Stem cells in middle ear cholesteatoma contribute to its pathogenesis. Nature Scientific Reports. 2018;8(1): 6204.Cholesteatoma is a potentially life-threatening middle ear lesion due to the formation of an ...
Nagel, Julia, Schürmann, Matthias, Brotzmann, Viktoria, Greiner, Johannes ; https://orcid.org/, Sudhoff, Holger ; https://orcid.org/, Wöllner, Saskia, Müller, Janine, Goon, Peter, Kaltschmidt, Christian, Kaltschmidt, Barbara   +9 more
core   +2 more sources

N6-methyladenosine methylation analysis of circRNAs in acquired middle ear cholesteatoma

Frontiers in Genetics
IntroductionMiddle ear cholesteatoma is a chronic middle ear disease characterized by severe hearing loss and adjacent bone erosion, resulting in numerous complications.
Jun He, Ahmad Mahmoudi, Jacqueline Yao, Qiulin Yuan, Jinfeng Fu, Wei Liu   +5 more
doaj   +1 more source

Establishment and Characterization of an Model for Cholesteatoma [PDF]

Clinical and Experimental Otorhinolaryngology, 2008
ObjectivesExperimental models are of importance to study the pathogenesis of middle ear cholesteatoma, however, they were not established until now.
Alexander M. Raynov, Yun-Hoon Choung, Hun Yi Park, Seong Jun Choi, Keehyun Park   +4 more
doaj   +1 more source