Results 11 to 20 of about 13,086 (214)
Case summary A 14-year-old neutered female Burmese cat was referred for investigation of a caudal oropharyngeal mass. CT showed a thin walled cyst-like structure filling and expanding from the right tympanic bulla. Histopathology showed fragments of mildly dysplastic squamous epithelium and aggregates of keratin.
Stephen J. Baines+3 more
openaire +4 more sources
Transcanal Endoscopic Ear Surgery for Congenital Cholesteatoma [PDF]
Objectives As endoscopic instrumentation, techniques and knowledges have significantly improved recently, endoscopic ear surgery has become increasingly popular. Transcanal endoscopic ear surgery (TEES) can provide better visualization of hidden areas in
Joo Hyun Park, Jungmin Ahn, Il Joon Moon
doaj +1 more source
Spontaneous migration of a congenital intratympanic membrane cholesteatoma [PDF]
Congenital intratympanic membrane cholesteatoma (ITMC) is a rare type of congenital cholesteatoma located within the tympanic membrane. This lesion tends to increase in size over time.
Tae Hoon Kim, Kyu-Yup Lee, Da Jung Jung
doaj +1 more source
A 24 year old man presented to his general practitioner several times over a year with an intermittently discharging left ear and associated hearing loss. Visualisation of the tympanic membrane was not possible owing to otorrhoea and oedema in the external auditory canal.
Bhutta, MF+2 more
openaire +10 more sources
Cholesteatoma fibroblasts promote epithelial cell proliferation through overexpression of epiregulin. [PDF]
To investigate whether keratinocytes proliferate in response to epiregulin produced by subepithelial fibroblasts derived from middle ear cholesteatoma. Tissue samples were obtained from patients undergoing tympanoplasty. The quantitative polymerase chain
Mamoru Yoshikawa+5 more
doaj +1 more source
Acquired ear canal stenosis can be caused by trauma, inflammation, postoperative scar formation, or tumors. There is a risk of cholesteatoma formation because of keratinized deposits in the closed space, with a reduction in quality of life because of ...
Ryota Tomioka+4 more
doaj +1 more source
Hearing loss assessment in primary and secondary acquired cholesteatoma,
INTRODUCTION: Acquired middle ear cholesteatoma can be classified as primary or secondary. Although both can result in hearing loss, it is still controversial whether there is an association between the type of cholesteatoma and the degree of hearing ...
Julia Maria Olsen+3 more
doaj +1 more source
Objective: To evaluate the accuracy and sensitivity of diffusion-weighted magnetic resonance imaging with ADC value combined with MDCT in evaluating recurrent cholesteatoma. Patients: Thirty patients (20 females and 10 males), their age ranged from 10 to
Nasr Mohamed M. Osman+2 more
doaj +1 more source
Endoscopic Management of Pediatric Cholesteatoma
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
Nonācoding RNA and cholesteatoma
Objective Cholesteatoma is a challenging chronic pathology of the middle ear for which pharmacologic therapies have not been developed yet. Cholesteatoma occurrence depends on the interplay between genetic and environmental factors while master ...
Ivan Jovanovic+3 more
doaj +1 more source