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Surfer's ear is the common name for an exostosis or abnormal bone growth within the ear canal. They are otherwise benign hyperplasias (growths) of the tympanic bone thought to be caused by frequent cold-water exposure. [1] Cases are often asymptomatic. [1] Surfer's ear is not the same as swimmer's ear, although infection can result as a side ...
Medical research on the function of ear hair is currently very scarce. Hair growth within the ear canal is often observed to increase in older men, [3] together with increased growth of nose hair. [4] Excessive hair growth within or on the ear is known medically as auricular hypertrichosis. [5]
The ear canal (external acoustic meatus, external auditory meatus, EAM) is a pathway running from the outer ear to the middle ear.The adult human ear canal extends from the auricle to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.
The central portion of the tympanic part is thin, as it gives rise to the bony inner two-thirds of the ear canal, and in 5 - 20% of skulls the lower surface is perforated by a hole, the foramen of Huschke [1] that opens onto the temporomandibular joint due to incomplete fusion of the anterior and posterior prominences during development.
Reconstruction of the ear canal wall. Canal wall reconstruction has been performed using ear canal skin alone, fascia, cartilage and titanium as well as by replacing the original intact wall. If the reconstruction is poorly performed, it may result in a high rate of recurrent cholesteatoma. [20] Preservation of the ear canal wall.
Each involves the external ear. The difference between them is that a cyst does not connect with the skin, but a sinus does. [3] Frequency of preauricular sinus differs depending the population: 0.1–0.9% in the US, 0.9% in the UK, and 4–10% in Asia and parts of Africa. [4]
A ceruminous adenoma is a benign glandular neoplasm which arises from the ceruminous glands located within the external auditory canal. These glands are found within the outer one third to one half of the external auditory canal, more common along the posterior surface; therefore, the tumor develops within a very specific location.
Hair growth within the ear canal is often observed to increase in older men, [2]: 206 together with increased growth of nasal hair. [3] Visible hair that protrudes from the ear canal is sometimes trimmed for cosmetic reasons. [4]: 97 Excessive hair growth within or on the ear is known medically as auricular hypertrichosis.