- Ceruminous Gland Adenocarcinoma of External Ear Canal: A Case Report
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Shim JW
- KMID: 1521700
- Korean J Pathol.
- 2007 Feb;41(1):66-68.
Ceruminomas are rare tumors arising from the ceruminous gland, which is a modified apocrine gland in the skin of the external ear canal. There is controversy about these rare tumors... -
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- A Case of Jacobson's Nerve Schwannoma Extending into the External Auditory Canal
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Kim BH, Do NY, Lee JH, Cho SI
- KMID: 2277773
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2013 Jun;56(6):373-376.
- doi: 10.3342/kjorl-hns.2013.56.6.373
Schwannomas are slow-growing, benign neurogenic tumors arising from schwann cells. Their localization in the external auditory canal and the middle ear has rarely been reported. The authors experienced a very... -
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- A Case of Cartilaginous Choristoma of External Auditory Canal
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Park JM, Kim HM, Bae SC, Park SN
- KMID: 2277878
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2013 Mar;56(3):166-168.
- doi: 10.3342/kjorl-hns.2013.56.3.166
Cartilaginous choristoma of bony external auditory canal is very rare. Appearing as a horny sha-ped hard mass, cartilaginous choristoma can be found in the medial portion of anterior wall of... -
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- A Case of Contrast Enhanced Cystic Mass of External Ear Canal Diagnosed as Engorged Hard Tick
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Lee MY, Jung JY
- KMID: 2418922
- J Audiol Otol.
- 2018 Jul;22(3):167-169.
- doi: 10.7874/jao.2017.00388
A 58-year-old female complained earfullness and otalgia and came to the clinic. Dark gray colored cystic mass obstructing the left ear canal was observed during the endoscopic exam. Contrast enhanced... -
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- The Study on Incidence of Pityrosporosis of the External Ear Canal between Normal Persons and Patients with Seborrheic Dermatitis
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Kim CG, Kwon KS, Jang HS, Chung TA
- KMID: 1891528
- Korean J Dermatol.
- 1996 Aug;34(4):515-520.
BACKGROUND: Pityrosporum yeast is a resident microflora of the normal skin and abundant in seborrheic dermatitis. In pathologic conditions, pityrosporum yeast is converted into hyphal form. Previous studies showed that... -
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- Cholesterol Granuloma of the External Auditory Canal
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Koh SH, Kim CJ, Lee SH
- KMID: 2276974
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2008 Dec;51(12):1143-1146.
Cholesterol granuloma (CG) has been known to be a pathologic condition that is associated with many kinds of middle ear diseases. Histopathologically, it is characterized by foreign body giant cells... -
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- A Case of Eustachian Tube Mature Teratoma
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Park K, Choung YH, Cho MJ, Bae JH
- KMID: 2276500
- Korean J Otolaryngol-Head Neck Surg.
- 2005 Oct;48(10):1281-1283.
Teratomas are the tumor derived from the three germ cell layers. Teratomas presented in the middle ear and eustachian tube are extremely rare. Eustachian tube teratoma extends either up to... -
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- A Case of Glomus Tumor Presented with a Polypoid Mass in the External Auditory Canal
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Kwon HK, Park SH, Goh EK, Kong SK
- KMID: 2277326
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2012 Feb;55(2):114-117.
- doi: 10.3342/kjorl-hns.2012.55.2.114
Glomus tumors, also called paragangliomas, originate from nonchromaffin cells. They are slow-growing benign lesions and represent the most common primary neoplasm of the middle ear. It is worth mentioning that... -
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- Osteoma of the External Auditory Canal: A Case Report
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Park MS, Bang JH, Lee DH, Jung SM, Ryu DS
- KMID: 1583391
- J Korean Radiol Soc.
- 2001 Aug;45(2):143-145.
- doi: 10.3348/jkrs.2001.45.2.143
An osteoma is a protruding mass composed of abnormally dense but otherwise normal bone and arises in the periosteum. It is usually found in the skull or facial bone, most... -
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- A Case of Squamous Papilloma in the Middle Ear, External Auditory Canal, and Infratemporal Fossa
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Yoon BM, Park SW, Min KS, Hong KS, Cho MY, Yang SW
- KMID: 1886980
- Korean J Otolaryngol-Head Neck Surg.
- 1999 Jul;42(7):911-915.
Papilloma is a benign neoplasm confined almost exclusively to the sinonasal tract. And rare cases involving middle ear or external auditory canal, usually extended or contaminated from nasal cavity have... -
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- A Case of Schwannoma Located in the External Auditory Canal
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Yang SK, Lee JC, Shin DB, Kwon JK
- KMID: 2063277
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2015 Sep;58(9):650-653.
- doi: 10.3342/kjorl-hns.2015.58.9.650
Schwannoma is slowly-growing, benign tumor that originates from the schwann cell and is rarely found in the external auditory canal (EAC). In this article, we describe a 30-year-old female patient... -
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- A Case of Engorged Female Hard Tick in the External Auditory Canal of an Infant
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Sung WJ, Kim YH
- KMID: 2395762
- Korean J Parasitol.
- 2017 Oct;55(5):565-568.
- doi: 10.3347/kjp.2017.55.5.565
An oval-shaped mass with a smooth surface was found in the ear canal of a 22-month-old male infant. Although the mass appeared to be almost entirely blocking the ear canal,... -
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- Microbiologic Study of the Ear Canal in Koreans
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Chon KM, Yoon BN, Park SH, Lee IW, Goh EK, Wang SG, Chang CH
- KMID: 2276329
- Korean J Otolaryngol-Head Neck Surg.
- 2005 Jan;48(1):8-12.
BACKGROUND AND OBJECTIVES: This study was designed to isolate bacteria and fungi from healthy ear canal in Koreans and compare with known pathogens. SUBJECTS AND METHOD: Specimens were collected from... -
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- A proposal on Cosmetic Safly Test: The Second Paper The Experimental Study on Comedogenecity of Cosmetics
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Kim HY, Myung KB, Kook HI
- KMID: 1965793
- Ewha Med J.
- 1989 Sep;12(3):207-212.
- doi: 10.12771/emj.1989.12.3.207
This present study was performed to evaluate the comedogenicity of several cosmetics. The test materials were applied to one ear canal of three rabbits daily for 6 weekdays for 2... -
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- Eccrine Hidrocystoma in External Auditory Canal
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Lee YS, Han C, Ku CH, Seo YJ
- KMID: 2401408
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2017 Dec;60(12):670-672.
- doi: 10.3342/kjorl-hns.2016.16782
Hidrocystomas, eccrine or apocrine are rare ductal cystic benign lesions of the sweat gland. These uncommon cystic lesions are extremely rare in the external ear. Here, we discuss the clinical... -
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- A Case of Foreign Bodies in Middle Ear and Eustachian Tube When Making Impression of Hearing Aid
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Kim TH, Chae R, Ban JH, Kim MB
- KMID: 2135832
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2015 Dec;58(12):878-881.
- doi: 10.3342/kjorl-hns.2015.58.12.878
Making impression is the first step of making hearing aid. Because it needs silicon injection on external auditory canal and lateral side of tympanic membrane, careful evaluation is required regarding... -
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- A Case of Jugular Bulb Injury by the External Ear Foreign Body
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Park CH, So SH, Kim HJ, Lim HJ
- KMID: 1874221
- Korean J Otolaryngol-Head Neck Surg.
- 1999 Sep;42(9):1183-1185.
Foreign bodies of the external ear have been frequently encountered in the otolaryngological field. Recently, we experienced an interesting case of jugular bulb injury penetrating through the external auditory canal... -
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- A Case of Acoustic Neuroma Presenting as an External Auditory Canal Tumor
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Lee CK, Yoon SM, Park KH
- KMID: 2277038
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2009 Apr;52(4):362-365.
- doi: 10.3342/kjorl-hns.2009.52.4.362
Acoustic neuromas arise frequently within the internal auditory canal and cerebellopontine angle. Rarely, a schwannoma may occur primarily within the labyrinth or may extend secondarily into the labyrinth from the... -
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- A Case of Middle Ear Implantation with Vibroplasty Coupler at the Stapes
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Lee JM, Suh YS, Choi JY, Kim BG
- KMID: 2277906
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2014 May;57(5):344-347.
- doi: 10.3342/kjorl-hns.2014.57.5.344
Middle ear implantation is an effective treatment for sensorineural, conductive and mixed hearing loss. The active middle ear implant's floating mass transducer (FMT) is placed on the middle ear structure... -
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- Three Cases of Tuberculous Otitis Media
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Oh JH, Sung KJ, Kim MS, Kwon TS, Yoon BM
- KMID: 2377139
- J Korean Radiol Soc.
- 1998 Jul;39(1):51-54.
We report the imaging features of three cases of tuberculous otitis media. All three patients underwenttemporal bone CT scanning, and in two, additional MRI scanning was performed. The three cases... -
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