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Usefulness of a Novel Staging System for Congenital Cholesteatoma of the Middle Ear

Kim BJ, Han JH, Yang JH, Hong SK, Lee HJ, Kim HJ

BACKGROUND AND OBJECTIVES: Although there are number of studies on the risk factors of recidivism in the congenital middle ear cholesteatoma, few have focused on the staging system. In this...
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Expression of Prostaglandin E2 Receptors in Acquired Middle Ear Cholesteatoma

Wang S, Xie L, Zhang Y, Xu P, Liu A

OBJECTIVES: To investigate the expression of prostaglandin E2 receptor subtypes, E-prostanoid (EP) 1–4 receptors, in acquired cholesteatoma and its possible role in the pathologic process of this disorder. METHODS: Specimens of...
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Usefulness of Endoscopic Removal of Congenital Cholesteatoma in Children

Yang CJ, Kim SH, Chung JW

BACKGROUND AND OBJECTIVES: The use of endoscope has led to new treatment options for middle ear pathologies. The aim of this study is to report on endoscopic ear surgeries for...
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A Case of Two Isolated Congenital Cholesteatomas Presented in Middle Ear Cavity

Kim TH, Cho HK, Park SH, Nam SI

Middle ear cholesteatoma is considered to be congenital in origin when there is an intact tympanic membrane with no prior history of otorrhea, tympanic perforation or otologic procedure. However, congenital...
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Facial Nerve Paralysis in Patients With Chronic Ear Infections: Surgical Outcomes and Radiologic Analysis

Choi JW, Park YH

OBJECTIVES: The purpose of this study was to investigate the clinical features, radiologic findings, and treatment outcomes in patients of facial nerve paralysis with chronic ear infections. And we also...
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Pseudoaneurysm of the Petrosal Internal Carotid Artery in the Middle Ear as a Complication of Middle Ear Cholesteatoma

Choi SH, Park H, Yang TK, Song CI

We report the case of a 66-year-old man who had significant otorrhagia caused by a ruptured pseudoaneurysm in the petrous internal carotid artery (ICA). The patient had middle ear cholesteatoma, and computed...
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Long-term Outcome of Cochlear Implant in Patients with Chronic Otitis Media: One-stage Surgery Is Equivalent to Two-stage Surgery

Jang JH, Park MH, Song JJ, Lee JH, Oh SH, Kim CS, Chang SO

This study compared long-term speech performance after cochlear implantation (CI) between surgical strategies in patients with chronic otitis media (COM). Thirty patients with available open-set sentence scores measured more than...
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Treatment of Meningoencephalocele of Temporal Bone Occurred after Open Cavity Mastoidectomy

Lee SH, Oh SJ, Kong SK, Goh EK

Meningoenceophalic herniation into the external auditory canal is a rare and potentially life threatening condition that needs a surgical treatment. It can lead to potential infectious sequelae including meningitis, encephalitis,...
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Galectin-1, -3, -7 Expressions in Congenital and Acquired Pediatric Cholesteatomas Compared to External Auditory Canal Skin

Vander Ghinst M, Remmelink , Mansbach A, Hassid S, Choufani G

OBJECTIVES: There is a classical distinction based on clinical criteria between acquired and congenital cholesteatomas. To determine if these two types of lesions show different immunohistochemical features, we have studied...
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Expression of EGFR and Microvessel Density in Middle Ear Cholesteatoma

Jin BJ, Min HJ, Jeong JH, Park CW, Lee SH

  • KMID: 2166445
  • Clin Exp Otorhinolaryngol.
  • 2011 Jun;4(2):67-71.
OBJECTIVES: Cholesteatoma destructs bony tissue by the interactions between hyperproliferative epithelial cells and subepithelial inflammatory cells. The aim of this study was to evaluate the expression of epidermal growth factor...
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A Case of Bilateral Congenital Middle Ear Cholesteatoma

Choi AY, Shim HJ, Kim SK, Yoon SW

The incidence of congenital middle ear cholesteatoma in children has increased recently for the following reasons: developed diagnostic instruments and increased awareness of congenital middle ear cholesteatoma. But bilateral congenital...
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Congenital Middle Ear Cholesteatoma in Children; Retrospective Review of 35 Cases

Park KH, Park SN, Chang KH, Jung MK, Yeo SW

Congenital middle ear cholesteatoma (CMEC) is a rare disease entity in otolaryngology. However, we try to assess the characteristic features and recurrences of CMEC in pediatric patients according to stages,...
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Establishment and Characterization of an In Vitro Model for Cholesteatoma

Raynov AM, Choung YH, Park HY, Choi SJ, Park K

OBJECTIVES: Experimental models are of importance to study the pathogenesis of middle ear cholesteatoma, however, they were not established until now. We aimed to develop in vitro model of middle...
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A Case of Congenital Cholesteatoma : Combined with Ossicular Anomaly

Lee SK, Byun JY, Cha CI, Park MS

  • KMID: 1977241
  • Korean J Otolaryngol-Head Neck Surg.
  • 2007 Feb;50(2):169-173.
Congenital middle ear cholesteatoma is presented as a pearl-like-material behind an intact tympanic membrane. Congenital cholesteatoma can be associated with other congenital anomalies, especially ossicular anomalies. The patient was a...
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Congenital Middle Ear Cholesteatoma in Children

Kim JH, Park KH, Park SN, Park JO, Hong SJ, Choi JY, Yeo SW

  • KMID: 1875278
  • Korean J Otolaryngol-Head Neck Surg.
  • 2006 Jul;49(7):682-687.
BACKGROUND AND OBJECTIVES: Congenital middle ear cholesteatoma (CMEC) is a rare entity that may go undiagnosed for years. Aims of this study were to assess the characteristic features and recurrence...
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Expression of Toll-Like Receptor 2 and Toll-Like Receptor 4 in Cholesteatoma

Byun JY, Cha CI, Yeo SG, Lee SK, Cho JS

  • KMID: 2276637
  • Korean J Otolaryngol-Head Neck Surg.
  • 2006 May;49(5):482-487.
BACKGROUND AND OBJECTIVES: One of the hallmarks of aural cholesteatoma is chronic and recurrent infection. Initiation and perpetuation of the inflammatory response of cholesteatoma may result from an exaggerated host...
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Expression Pattern of Gap Junction Protein, Connexin 26 and 43 in Human Middle Ear Cholesteatomas

Choung YH, Park K, Kang SO, Shin YR, Cho MJ, Yoon YR

  • KMID: 2276545
  • Korean J Otolaryngol-Head Neck Surg.
  • 2006 Jan;49(1):29-34.
BACKGROUND AND OBJECTIVES: A human cholesteatoma in the middle ear is characterized by the presence of a keratinizing epithelium from hyperproliferative properties. It needs intercellular signal exchange through gap junctions...
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Expression of Receptor Activator of NF-kappaB Ligand and Osteoprotegerin in Cholesteatoma

Byun JY, Cha CI, Yeo SG, Kim SW, Cho JS

  • KMID: 2276455
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Aug;48(8):955-960.
BACKGROUND AND OBJECTIVES: Bone resorption in middle ear cholesteatoma is mostly responsible for serious complications of the disease, but the pathogenesis of destruction due to bone resorption has not been...
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Expression of p53 Protein and Gene in Human Cholesteatoma

Jung JY, Kim KR, Yu SM, Hong SH, Chung WH, Kim HJ, Cho YS

  • KMID: 2276331
  • Korean J Otolaryngol-Head Neck Surg.
  • 2005 Jan;48(1):18-23.
BACKGROUND AND OBJECTIVES: Migration, hyperproliferation, differentiation of basal keratinocytes and accumulation of keratin debris are the major pathogenic reactions in middle ear cholesteatoma. p53 is a multi-functional protein that acts...
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Expression of Rb in Human Middle Ear Cholesteatoma

Park SY, Lee DW

No abstract available in English.
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