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Titolo:
Cholesteatoma behind an intact tympanic membrane: Histopathologic evidencefor a tympanic membrane origin
Autore:
Sudhoff, H; Linthicum, FH;
Indirizzi:
House Ear Inst, Los Angeles, CA 90057 USA House Ear Inst Los Angeles CA USA 90057 r Inst, Los Angeles, CA 90057 USA Ruhr Univ Bochum, St Elisabeth Hosp, Dept Otorhinolaryngol Head & Neck Surg, D-4630 Bochum, Germany Ruhr Univ Bochum Bochum Germany D-4630 Neck Surg, D-4630 Bochum, Germany
Titolo Testata:
OTOLOGY & NEUROTOLOGY
fascicolo: 4, volume: 22, anno: 2001,
pagine: 444 - 446
SICI:
1531-7129(200107)22:4<444:CBAITM>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONGENITAL CHOLESTEATOMA; EPIDERMOID FORMATION; MIDDLE-EAR;
Keywords:
cholesteatoma; pars tensa; tympanic membrane; acquired epidermal test;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Linthicum, FH House Ear Inst, 2100 W 3rd St, Los Angeles, CA 90057 USA House Ear Inst 2100 W 3rd St Los Angeles CA USA 90057 57 USA
Citazione:
H. Sudhoff e F.H. Linthicum, "Cholesteatoma behind an intact tympanic membrane: Histopathologic evidencefor a tympanic membrane origin", OTOL NEURO, 22(4), 2001, pp. 444-446

Abstract

Background: Several theories have been proposed with respect to the originand pathogenesis of cholesteatoma behind an intact tympanic membrane. Case Report: The authors describe a case of choresteatoma behind an intacttympanic membrane in a 71-year-old man with a history of tympanic membraneretraction fixed to the incus without evidence of a perforation. The membrane eventually became detached, and remnants of keratinizing squamous epithelium were found on the incus. Discussion: Mechanisms such as metaplasia, ectopic epidermis rests, or ingrowth of meatal epidermis have been proposed to explain the pathogenesis ofcholesteatoma behind an intact tympanic membrane. These findings, based ontemporal bone histopathology, support the role of an acquired epidermal rest. Conclusions: This case report provides evidence that cholesteatoma behind an intact tympanic membrane can be established from a resolved retraction of the pars tensa of the tympanic membrane.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/02/20 alle ore 11:27:52