However, the condition did not appear to be as uncommon based on our clinical observations. It requires regular lifelong microsuctioning of keratinous debris because of the failure of the normal migratory mechanism. Patients suffering from keratosis obturans and have a history of. Treato found 2 discussions about keratosis obturans and ear pain on the web. Download free adobe acrobat reader dc software for your windows, mac os and android devices to view, print, and comment on pdf documents. The etiology of keratosis obturans remains unclear. Pathology the keratin squames are shed from the complete circumference of the deep ear canal forming a lamina. Keratosis obturans is a rare condition characterized by the accumulation of desquamated keratin material in the bony portion of the external auditory canal.
Any information contained in this pdf file is automatically generated from digital material submitted to epos by third parties in the form of scientific presentations. Specimen of cholesteatoma or keratosis obturans of the. Patients suffering from keratosis obturans and have a history of bronchiectasis or sinusitis reported 77% of adolescent cases, only 20% of adult cases. Keratosis obturans definition of keratosis obturans by. Keratosis pilaris occurs when excess keratin builds up around the hair follicles and plugs them, leading to the formation of conspicuous bumps on the skin. Highly keratinized skin provides the basis for callus formation, as seen on the fingers of guitar players. Keratosis follicularis spinulosa decalvans genetic and. Keratosis pilaris is a harmless condition characterized by tiny 1 mm or less bumps, skin colored or red, that may give the skin a rough texture. The presence of a keratin plug occluding the deep external auditory canal was first noted and documented in the 19th century. Keratosis obturans is an obscure entity characterized by accumulation of desquamated keratinous material in the bony portion of the external auditory canal. Keratosis obturans complicated with facial nerve palsy. Keratosis obturans and external auditory canal cholesteatoma eacc have previously been considered to represent the same disease process. Actinic keratoses arise in chronically sun exposed sites, such as the backs of the hands, forearms and face.
The face, neck, and forearms are frequently involved. Keratosis obturans information mount sinai new york. I got keratosis pilars on my bum cheeks how long would it take for amlactin to work to start seeing a difference. Keratosis obturans and external auditory canal cholesteatoma. Arrows keratin material discovered during microear toilet which was removed.
The pathologic features of keratosis obturans and cholesteatoma. Keratin is a protein released by skin cells that form the hair, nails, and protective barrier on the skin. It can also be found on the cheeks, thighs, buttocks, and occasionally the upper back. References to any names, marks, products, or services of third parties or hypertext links to third.
C 811 cryosurgery is an effective modality for treating solitary or multiple actinic keratoses. Keratin is a fibrous protein which gives strength and rigidity to skin and nails. This is a concise presentation from diseases of external ear in otology ent also please check out. Keratosis obturans medigoo health medical tests medical. Pdf keratosis obturans complicated with facial nerve palsy. Clinical characteristics of keratosis obturans and external auditory canal cholesteatoma so young park, md, phd, young hoon jung, md, and jeonghoon oh, md, phd otolaryngologyhead and neck surgery 2014 152. It has subsequently been proposed that two different diseases can be responsible for the presence of this type of obstruction within the deep meatus. Atypical keratosis obturans volume 118 issue 3 jerzy kuczkowski, boguslaw mikaszewski, waldemar narozny. Hello is there a difference in manifestations and treatment of keratosis pilaris and phrynoderma.
Keratosis obturans is accumulation of desquamated keratin in the external auditory meatus. Crescentic dashed area depicts formed membrane secondary to longstanding keratosis obturans with had caused ear canal narrowing. Read keratosis obturans and external ear cholesteatoma, clinical otolaryngology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. This migratory action is intended to prevent the buildup of matter in the deep canal, deafening the ear. Keratosis obturans is an unusual, chronic condition in which a cholesteatomalike mass is found in the depths of the external auditory canal. A recurrent misdiagnosed and maltreated case of keratosis obturans.
Keratosis obturans management open journal unair universitas. Patients with this condition typically present with severe otalgia, conductive hearing loss, and global widening of the external auditory canal. Keratosis obturans presents as hearing loss and usually acute, severe pain secondary to the accumulation of large plugs of desquamated keratin in the ear canal. Sometimes, these lesions can be felt more than they can be seen. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Keratosis obturans ko is the buildup of keratin in the ear canal. Classically, it is reported to present with severe otalgia, conductive deafness and global widening of the canal. Pleural effusions, bronchiectasis, and sinusitis have also been reported. Pdf keratosis obturans appears to be an obscure and relatively uncommon entity, even in literature search of journals and reference texts. Keratosis obturans and external ear canal cholesteatoma. Cholesteatoma keratosis obturans acquired cholesteatoma is an inflammatory mass which is a cystic structure lined by keratinizing stratified squamous epithelium. Keratosis obturans is thought to occur due to abnormal epithelial migration of ear canal skin. Wax keratosis in childrens ears pubmed central pmc. In this video, we are going to see about keratosis obturans.
Symptoms and conditions also mentioned with ear pain in patients discussions. A stealth public health threat max stanley chartrand. Keratosis obturans the skin of the eardrum and the external auditory canal has the unique ability to migrate off the drum, then along the canal towards the exterior, carrying wax and any debris with its movement. Clinical characteristics of keratosis obturans and. Symptoms of keratosis obturans answers on healthtap. Keratosis definition of keratosis by the free dictionary. Keratosis obturans and external ear canal cholesteatomas have been considered as separate entities for the last 20 years, after being regarded as variations of the same disease for at least 87 years. It is most commonly involves middle ear cavity, and rarely occurs in the eac. Keratosis obliterans usually found on a bilateral basis and may be accompanied by bronchiectasis and chronic sinusitis. We can find no previous record of an identical case in the dermatologic texts or literature. Keratosis obturans occurs in patients under the age of 40 years who have a.
Keratosis obturans management romdhoni biomolecular. Immunohistochemical and histopathological features of. Actinic keratoses should be treated because of their potential to progress to squamous cell carcinomas. Keratosis obturans is a large accumulation of plaque from desquamated keratin distributed in the ear. Pdf file of the complete article 670k, or click on a page image below to browse page by page. A recurrent misdiagnosed and maltreated case of keratosis. Full text full text is available as a scanned copy of the original print version. A diagnostic dilemma article pdf available in brazilian journal of otorhinolaryngology 861 may 2016 with 509 reads how we measure reads. Keratosis obturans is likely to cause ear pain because of the keratin plug. The three most common types of keratosis are keratosis pilaris, actinic keratosis, and seborrheic keratosis. The yellow nail syndrome was first described in 1964 1 with cases of lymphedema associated with nail dystrophy. Keratosis obturans management romdhoni biomolecular and. The membrane was excised to regain optimal opening for ease of ear cleaning during outpatient followup.
Kfsd is a form of ichthyoses, a group of inherited conditions of the skin in which the skin tends to be thick and rough, and to have a scaly appearance. Objectivekeratosis obturans ko and external auditory canal. Jul 21, 2014 what is the difference between ak, keratosis obturans and cholesteatoma. These keratin squames are shed from the complete circumference of the deep ear canal forming a lamina. Keratosis obturans is a rare external auditory canal eac disease characterized by abnormal accumulation and consequently occlusion and expansion of the bony portion of the eac by a plug of desquamated keratin. This is a report of a rare condition observed in a patient in private practice which should be interesting to the otologist as well as to the dermatologist. Keratosis obturans and external ear cholesteatoma, clinical. It is most common on the outer area of the upper arms. The pathologic features of keratosis obturans and cholesteatoma of the external auditory canal. Apr 01, 2005 read keratosis obturans and external ear cholesteatoma, clinical otolaryngology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
There are a variety of causes which lead to several different types of keratosis. Dec 14, 2017 why some people get those little red bumps on their armsand how to get rid of them. There are many others, most of which are rare or have an inherited genetic basis. Ear involvement in the yellow nail syndrome sciencedirect. Definition accumulation of desquamated keratin in the external auditory meatus.
Links to pubmed are also available for selected references. The diagnosis is based on the patient history, physical examination, and appropriate studies. Keratosis obturans is a disease of the external auditory meatus in which keratinaceous debris accumulate and form a plug in the ear canal, thereby causing occlusion and widening of the bony component 1 2. The movement of the surface epithelium appears to be reversed in these patients. We discuss an extensive primary eacc with an aural polyp in a male which was managed by modified radical mastoidectomy. This paper is intended to provide how the phenomena. We present a case of keratosis obturans that was misdiagnosed as impacted wax. Retrospective evaluation of clinical records of all consecutive patients with eecc in the period 1979 to 2005 in a tertiary referral centre. Failure causes a plug of keratin, then erosion in the deep canal. Or, it may be caused by overstimulation of the wax.
Keratosis obturans keratosis obturans of external ear. Removal of keratosis obturans in one ear under anesthesia. Several classifications have been proposed for external auditory canal cholesteatoma 10, 11 none was available for keratosis obturans. Keratosis obturans is the building up of epithelial layer of the skin of the ear canal and the formation of a keratin plug. This should be differentiated from primary auditory canal cholesteatoma which is characterized by invasion of squamous tissue from the external ear canal into a localized area of bone erosion. The cartilaginous portion of the canal is not involved. Keratosis obturans is characterized by the plugging and occlusion of the external auditory meatus with debris made up of keratin, leading to enlargement of the ear canal without bone erosion. This image shows the effect of long standing keratosis obturans. Keratinolytic agents can be used topically to reduce the keratin plug formation. Dec 23, 2006 to evaluate symptoms, clinical findings, and etiological factors in external ear canal cholesteatoma eecc. Get a printable copy pdf file of the complete article 670k, or click on a page image below to browse page by page. Keratosis obturans is a relatively uncommon ear disease, where dense plug of keratin is present in the deep meatus of the ear.
It is clinically diagnosed when removal of the debris shows silvery white peripheral matrix and causes excruciating pain. Keratosis obturans keratosis obturans of external ear canal. Removal of keratosis obturans in one ear under anesthesia deborah posted thu 03rd of may, 2012 18. Adobe acrobat reader dcdownload kostenloser pdfviewer fur. External auditory canal cholesteatoma eacc is a rare condition with an estimated incidence of 1. Keratosis obturanstwo cases with different aetiologies. It may occlude the canal and cause erosion of bone. Keratosis obturans and external ear cholesteatoma loock. Keratosis obturans is an uncommon disorder characterized by the formation of a keratinized plug in the inner half of the ear canal. Keratosis obturans is an obscure entity characterized by accumulation of desquamated keratinous material in the bony portion of the external. Jan 17, 2017 keratosis obturans appears to be an obscure and relatively uncommon entity, even in literature search of journals and reference texts, so much so that there is not even any prevalence or incidence statistics available. Get a printable copy pdf file of the complete article 80k, or click on a page image below to browse page by page.
They usually present as rough scaly or crusty slightly red bumps on the skin. Exposed fibrocartilaginous rim of tympanic membrane arrows in a patient with healed keratosis obturan. Keratosis obturans vs primary external canal cholesteatoma. Keratosis follicularis spinulosa decalvans kfsd is a rare, inherited, skin condition. Ct and mr imaging findings of tumors and tumorlike.
Pdf download for clinical characteristics of keratosis obturans and external. This website is intended for pathologists and laboratory personnel, who understand that medical information is imperfect and must be interpreted using reasonable medical judgment. Doctor answers on symptoms, diagnosis, treatment, and more. Pdf keratosis obturans is a large accumulation of plaque from. We have managed to obtain 64 patients representing 67 ears with keratosis obturans in. It may be due to a problem with how skin cells in the ear canal are produced.1511 1113 615 616 1107 182 1502 393 659 149 796 509 799 36 1475 515 1066 1249 940 1166 1512 134 346 331 1555 584 1273 489 833 1170 296 817 298 1272 610 363 932 282 774 791