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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.
Skin tumors are less common in cats; although most cats are vulnerable, white cats are especially prone to this type of tumor. Skin tumors manifest as a visible lump on the skin, mostly affecting vision, smell, or eating. [5] Benign tumors take several years to develop and are more difficult to detect due to their freely movable nature. [6]
Cats, as well as dogs with erect ears that have control over ear direction, may be seen with one or both ear pinnas held at an odd or flattened angle. The most common lesion associated with ear mites is an open or crusted ("scabbed") skin wound at the back or base of the ear, caused by abrasion of the skin by hind limb claws, as the ear has ...
This is an uncommon lesion, usually affecting young patients (mean age, 30 years), with a male to female ratio of 2:1. The middle ear is involved, although it may extend to the external auditory canal if there is tympanic membrane perforation. [1] [2] [3]
Pustules", small raw circles or patches in a dogs ear, typical of some kinds of otitis of bacterial infection. (detailed image) Otitis externa is an inflammation of the outer ear and ear canal. Animals are commonly prone to ear infection, and this is one of the most common manifestations of allergy in dogs.
Geniculate ganglionitis or geniculate neuralgia (GN), also called nervus intermedius neuralgia, Ramsay Hunt syndrome, or Hunt's neuralgia, is a rare disorder characterized by severe paroxysmal neuralgic pain deep in the ear, [1] that may spread to the ear canal, outer ear, mastoid or eye regions.
Otodectes are external parasites (ectoparasites) of dogs, cats and ferrets, [2] but can be found on many other mammals. [3] Otodectes is found worldwide. [4] The mite is 0.4 mm (0.016 in) in size, [2] approximately the size of a grain of salt, and can be seen with the naked eye. [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.