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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. [2] [3] [4]
The ear mite is the most common cause of ear infections in cats, quickly spreading from one cat to another through direct contact. [6] Ear mites cause inflammatory symptoms, similar to bacterial and yeast infections. Symptoms include itching and redness of the ears.
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]
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]
Cancer in cats can occur in any location or body system, [3] and most symptoms can be detected externally. [2] While each type of cancer has its own distinctive symptoms, most indicate their presence by the occurrence and the prolonged presence of any common symptom. [1] Some of the general symptoms of cancer in cats are: [3]
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.
Otomycosis is a fungal ear infection, [1] a superficial mycotic infection of the outer ear canal caused by micro-organisms called fungi which are related to yeast and mushrooms. . It is more common in tropical or warm countri
The outer ear, external ear, or auris externa is the external part of the ear, which consists of the auricle (also pinna) and the ear canal. [1] It gathers sound energy and focuses it on the eardrum ( tympanic membrane ).