𝐇𝐞𝐦𝐚𝐭𝐨𝐦𝐚 𝐨𝐟 𝐭𝐡𝐞 𝐄𝐚𝐫 𝐢𝐧 𝐃𝐨𝐠𝐬
What is an aural hematoma?
A hematoma is a localized mass of blood that is confined within an organ or tissue. An aural hematoma is a collection of blood, either fresh or clotted, within the pinna (ear flap). When a hematoma is present, the pinna will appear very thick and spongy. The swelling may involve the entire pinna, or it may involve only one area of the ear.
What causes an aural hematoma to occur?
The external ear has a layer of skin on both sides and a layer of cartilage sandwiched between the two skin layers. Blood vessels run just beneath the skin. When something irritates the ear canal, your dog will respond by scratching or shaking its head. Excessive or violent shaking causes one or more blood vessels to break, resulting in bleeding into the space between the ear cartilage and skin on the inner surface of the ear.
Most dogs that develop an aural hematoma have an infection, allergy, bite wound, or other inflammatory ear condition that causes excessive scratching and head shaking. In some cases, there may be a piece of foreign material lodged in the ear canal, such as a tick or piece of grass. It is also possible that a foreign body initiated the shaking but was later dislodged.
Dogs with a bleeding or clotting disorder may also develop an aural hematoma, with or without a history of trauma.
What is the treatment for an aural hematoma?
"𝐒𝐮𝐫𝐠𝐞𝐫𝐲 𝐜𝐚𝐧 𝐭𝐫𝐞𝐚𝐭 𝐭𝐡𝐞 𝐡𝐞𝐦𝐚𝐭𝐨𝐦𝐚 𝐪𝐮𝐢𝐜𝐤𝐥𝐲 𝐚𝐧𝐝 𝐞𝐟𝐟𝐞𝐜𝐭𝐢𝐯𝐞𝐥𝐲."
Krista Williams, BSc, DVM, CCRP; Ryan Llera, BSc, DVM; Ernest Ward, DVM
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