Unusual and Unique Presentations Flashcards
Possible causes of feline Acne?
malass,
dermatophytes
demodex
bacteria
What is the progression of lesions in feline acne?
black follicular casts –> papules —> folliculitis –> possible pain or pruritis –> follicular cysts, draining tracts, furunculosis
Where is feline acne typically seen?
chin and lower lip
Dx of feline acne
clinical signs
cytology
skin scrapings
fungal culture
Tx of Felne acne
not necessary in most cases
When draining tracts and such,…clip, warm pack it. Oral AM, Mupirocin cream on the area
Clean regularly
change to metal food dishes
What is acral lick dermattis?
the urge to lick the distal cranial portion of the a leg, producing a thickened, firm, oval plaque.
Who does acral lick show up in?
large breed, active dogs
What are some possible causes?
Psychogenic bacterial/fungal demodicosis trauma or neurologic injury AD underlying orthopedc dz
What often accompanies acral lick dermatits
sconary bacterial nfection, partiicularly with ulceration
What are factor os psychogenic acral lick derm that can contribute? and what is the physiology of it?
boredom
anxiety
the endorphins are released when lickng
Dx of acral lick dermatitis
CE, Hx Skin scrapings cytology fungal culture - primary or secondary HISTOPATH****
Tx of acral lick stuff
AM because of secondary usually
Barrier therapy (collar)
Remove triggers
BMD, Anti-depress, intra-lesional steroids, topicals, etc.
Prog of acral lick stuff
guarded
what is the most common lesion of vascultitis?
involvement of the extremities
ulceration**
Pathogenesis of vasculitis
Type 3 hypersens.
What % of vasculitis is idiopathic
50%
Which breeds are prone to vasculitits?
jack russel terrorists
What are some concurrent diseases that may happen with vasculitis
infections, food hypersen, insect bites, neoplasia
what are some pptating factors in Vasculitis?
Vx, infections, drugs
Dx of vasculitis.
Histopathology.
Tx of Vasculitis
first find the etiology
correct underlying dz
immunomodulatory drugs
Specifically, what are mild cases of vasculitis treated with
pentoxyphylline
methylxanthine derivs
Specifically, what are worse cases of vasculitis treated with?
corticosteroids
azathioprine
TTC, niacinamide
cyclosporine
What are peri-anal fistulas
chronic inflammatory lesions characterized by draining tracts forming around the anus of the dog –> ulcerative, painful, malodorous
Who tend to get perianal fistulas
German Shepherds
Irish Setters
Patients over 5
what is a common secondary infection to perianal fistulae?
colitis
Dx of peri-anal fistulae
clinical signs, rectal exam
Peri-anal fistulae are often confused with
ruptured anal sacs
Tx of perianal fistulae
cyclosporine (but expensive)
Topical tacrolimus
mix cyclo with ketocon (more side effects)
AM for secondaries
Corticosteroids for early tx
Dietary - hypoallergenics, stool softeners,
Last resort is surgery
What is symmetrical lupoid onychodystrophy
a condition affecting multiple claws in dogs, typically presented as a claw that is abnormal, then sloughs
What happens later in the progression of symmetrical lupoid onychodystrophy
all the nails fall off. regrowing, they are short, misshapen and brittle.
takes 2-8 weeks
DDx for symmetrical lupoid onychodystrophy
dermatophyte infection
IM condition like pemphigus foliaceous
vasculitis
If only one nail has sloughed…
it is likely trauma or neoplasia, not symmetrical lupoid onychodystrophy
Dx of symmetrical lupoid onychodystrophy
Histopathiology and Clinical signs
How do you take histopath samples for symmetrical lupoid onychodystrophy
typically take off the P3, but some can do it without amuptation of that.
Tx of symmetrical lupoid onychodystrophy
not necessarily corticosteroids because a benign IM process.
Give Omega-3s and 6s
hypoallergenic diets
pred, TTC+niacinam, pentoxyphylline, cyclo
What are DDx for nailbed neoplasia?
SCC, melanoma
Another name for Juvenile cellulitis
juvenile pyoderma, puppy strangles
What is puppy strangels?
granulomatous and pustular disorder of the face, ears, submand LN
Who does Jnile pyoderma show up in?
goldens, dachsunds, puppies under 4 months
Clinical signs of Juvenile cellulitis
facial swelling striking lymphadenotpathy pustules fistulae crusts lethargy
Dx of Jnile pyoderma
clinical signs
cytology showing granulomatous inflammation with no organisms
Cultures = sterile
**Skin biopsy
Tx of Puppy strangles
large doses of corticosteroids
Prognosis of Puppy strangles
good, but may scar
