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Nodular skin disease
Terms in this set (27)
What are rasied areas that are > 1 cm that extend into the deep layers of the skin referred to as?
True or false: You can take punch biopsies?
What type of sample do you take to classify nodular skin disease?
Take big samples, wedges
What 4 cultures can be made in nodular skin disease?
What are the 2 infectious differentials associated with nodular skin disease?
Fungal and Bacterial
Name 4 systemic fungal infections associated with nodular skin disease.
Sporotrichosis is an example of what type of fungal infection?
Cats typically have an (increase/decrease) in the number of Sporotrichosis organisms found in exudate?
True or false: Animals typically respond poorly to antibiotics if they have been infected with Sporotrichosis.
How do you treat a cat and dog for Sporotrichosis?
What are 3 examples of SQ opportunistic fungal infections?
Typically referred to as "swamp cancer" and is a plant parasite.
What does Pythiosis lack in its cell wall which makes it hard to treat?
This fungal disease is fatal in dogs and German Shepards have an increased incidence. It affects humans, dogs, cats, horses, and cattle. The infection usually comes from contact with contaminated water and leads to rapidly developing nodules and draining tracts. And it is oftentimes confused for acral lick granuloma due to intense pruritus.
How do you treat pythiosis?
Wide surgical excision or euthanasia are the only treatments because it is "fungal like" not actually a fungal disease and cannot therefore be treated by antibiotics.
This type of bacterial infection usually comes from underlying disease (pain, pruritis, hypothyorid, allergies).
Acral lick dermatitis: from chronic licking
Name the bacteria:
Gram + rods; aerobic, non-motile
lives in envt → lots of hosts
What is the most common animal to be infected with mycobacterium and how do you treat them?
Treatment: EUTHANIZE → PUBLIC HEALTH CONCERN!
How do you treat and acral lick dermatitis?
Treat the underlying cause not surgical!
Name the bacteria:
little nodules → break → draining tracts → ulcers → missing skin
How do you diagnose and treat atypical mycobacterium?
Need biopsies and culture → special media/stains, need large, deep samples
Treat: Fluoroquinolones, Doxycylcine, Clarithromycin for 6-12 months (maybe life-long)
continue 1-2 months post clearing
Is a patient with atypical mycobacterium sick or not?
Where is atypical mycobacterium found?
What type of lesion does atypical mycobacterium produce and where are they found?
Found in the inguinal area and ventral abdomen
A patient with Nocardia, Actinomycosis, Actinobacillosis, which are all Gram +, acid-fast and cause problems via inhalation, ingestion, innoculation of wounds all cause: (pick one)
How do you treat Nocardia, actinomycosis or Actinobacillosis?
Treat: High doses of penicillin and sulfonamides (TMS)
What are the 3 types of sterile conditions that produce nodular lesions?
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