Ear (E1) Flashcards
What do you call a collection of blood within the cartilage plate of the ear?
Aural hematoma
Aspiration with what medication when managing an aural hematoma medically is 90-98% effective in prevent recurrence?
Methyl prednisolone
What are the 3 types of surgical management options for aural hematomas?
Drain tube placement
Incisional drainage
Practivet system
When correcting a laceration of the pina, the deep (suturing) bite aligns ____ and the superficial bite aligns ____. The suture technique used will be the ____ mattress.
Cartilage
Skin
Vertical
T/F: A pinnectomy can be curative for SCC in cats.
True
What type of filament would you use when perform a pinnectomy?
Monofilament
What is the most common primary cause of otitis externa?
Yeast
T/F: When treating otitis externa, if medical treatment fails more than once surgical treatment should be performed.
False, always treat medically multiple times
What margins do you take when removing a SCC by subtotal or total pinnectomy?
>1-2 cm from visible lesions
What type of ear canal resection is indicated when there is a tumor involving the tragus or lateral wall if the vertical ear canal?
Lateral
Which surgery is indicated for ceruminous gland adenocarcinomas?
TECA
Name the structure that wraps around the base of the ear canal and must be avoided when performing a TECA?
Facial nerve
What type of catheter is used as an active drain used for surgical management of aural hematomas?
Butterfly
T/F Repeated needle aspirations in a dependent area are indicated to encourage encouraged drainage of an aural hematoma.
True
What are the 2 types of passive drains used for surgical management of aural hematomas?
Penrose drain
Teat cannula
What incision types (name at least 3) can be used for incisional drainage of aural hematomas? What suture pattern will you use?
Straight
S-shaped
Dermal punch
Laser
Mattress suture pattern
In which breed should you never perform a lateral ear canal resection?
Cocker spaniels
What surgery is indicated if a lateral ear canal resection fails?
TECA
What type of ear canal resection is indicated when there is neoplasia or trauma involving only the vertical ear canal?
Vertical ear canal resection
In what breed is TECA most commonly performed?
Cocker spaniels
What are the non-surgical options for managing aural hematomas?
Aspiration (alone= recurrence likely)
Aspiration + Dex IV
Aspiration + Dex local
Aspiration + Methyl pred (BEST)
