Ear External ear tumors – benign / nonneoplastic. Keratosis obturans. Author: Nat Pernick, M.D. (see Authors page) Revised: 23 February , last major. Keratosis obliterans usually found on a bilateral basis and may be accompanied by bronchiectasis and chronic sinusitis. In keratosis obturans. Keratosis obturans: is accumulation of desquamated keratin in the external auditory meatus. This should be differentiated from primary auditory canal.

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It is not clear what instigates keratosis obturans, but it affects both ears and is more commonly seen in individuals under the age of Severe ear pain keratoeis.

Case 1 Case 1. Keloid Hypertrophic scar Cutis verticis gyrata. The shedding skin cells do not migrate laterally, but pile up in the inner half of the ear canal, eventually forming a semi-hard plug. You can help Wikipedia by expanding it. Multiple layers of dead skin cells encroach over obbliterans canal in concentric fashion like onion skin. This condition can only be cured by removal b.

In the temporal bone CT scans can show the erosion and dilation of the meatus.

Keratosis obturans

Obstruction of keratin on obturans keratosis looks like the geometric lines the external auditory meatus in that looks like a picture of onion skin. Can also be a migration error auditory epithelium is oblirerans for the accumulation of debris accumulation. This is consistent with the study of normal skin on the outer ear is done by Alberti shows that there are normal epithelial migration from the tympanic membrane to the external auditory meatus According Paparella and Shumrickkeratosis obturans can be caused by several factorsamong others: Self-cleaning mechanism by external auditory meatus is the result of coordinated maturation of keratin and cell migration to the outside.


Keratosis obturans commonly occur in young patients.

From Wikipedia, the free encyclopedia. The piece of exposed bone in the external canal becomes infected and sequests. Generalized eruptive Keratoacanthoma centrifugum marginatum Multiple Solitary.

The disease is not on the part kartilagenous external auditory meatus. While not an infective process in itself, keratosis obturans can lead to infection, particularly in the ears of patients with compromised immune-systems, such as those with diabetes oblitetans HIV. The keratin plug seen in keratosis obturans appears like a geometrically patterned keratin plug within the lumen of expanded ear canal.

obliterwns Hearing loss and severe ear pain caused by clots insistence keratinized epithelium in the ear canal. This condition is characterized by ear pain which is dull and aching in nature. Keratosis obturans is postulated to occur due to abnormal epithelial migration of ear canal skin. Types of keratosis obturans: Keratin is a fibrous protein which gives strength and rigidity to skin and nails. Verruca vulgaris Verruca plana Plantar wart Periungual wart.

After surgical removal under general anesthesia the specimen must be sent for pathological evaluation to rule out malignancy. Unable to process the form.

As this blend ages, it de-hyrdates and oxidizes, thereby taking on a darkened appearance. Ear Nose Throat J. Usually by chance discovered by inspectors in otoskopi examination.


Chilblain Lupus erythematosus—lichen planus overlap syndrome Tumid Verrucous Rowell’s syndrome. The inflammatory reaction involving the ear canal temporarily alters epithelial migration. This condition is thought to be caused by the production of stoppers obliteranns epithelium and excessive or incorrect epithelial migration. Synonyms or Alternate Spellings: Check for errors and try again. On inspectionit appears visible obstructions along the tympanic membrane in the external auditory meatus by obliteranns of white keratin debris that contains brown wax in the middle.

Keratosis Obturans – When Ear Wax Is Not Ear Wax –

Herbal Product naturally removes the Symptoms of Bronchiectasis. If left untreated, the obstruction can become densely keratosos and the resultant pressure can erode the bone of the ear canal.

Thicker but intact tympanic membrane and?? Merkel cell carcinoma Microcystic adnexal carcinoma Mucinous carcinoma Primary cutaneous adenoid cystic carcinoma Verrucous carcinoma Malignant mixed tumor.

Keratosis – Wikipedia

Keratosis obturans is the accumulation or buildup of keratin layer of the epidermis desquamation in the ear canalobljterans whitethus forming clots and cause a full flavor and less heard. Primary auditory canal cholesteatoma: Articles Cases Courses Quiz.

The disease is also to be distinguished from primary cholesteatomas are characterized by the invasion of squamous tissue of the middle ear accompanied by erosion and bone destruction.