DERMATOLOGY 8: less common presentations Flashcards
is scaling more often primary or secondary?
secondary
tx for naso-digital hyperkeratosis?
what is idiopathicc keritinisation disorders
Hereditary defect with increased epidermal turnover
leads to:
tx for idiopathicc keritinisation disorders
what is sebaceous adenitis
immune mediated destruction of sebacious gland…. hair becomes brittle and easily degraded
[biopsy has no sebacious glands]
IS IT FOLLICULAR CASTS OR PAINTBRUSH LESIONS??
what is tx for sebacious adenitis?
-treat secondary infection
-ciclosporin
-improve barrier
what is the clinical sign of icthyosis?
big fish-like scaling (not small like dandruff)
icthyosis has several types. they are associated with which layer(s)?
-keratinocyte
-lipid barrier
what is the tx for icthyosis?
MISSED WHAT SHE SAID ABT WHY DEMODEX IS ON TWICE FOR SCLAING CHART
what are the two syndroms/causes of zinc responsive dermatosis?
Results in which 2 symptoms? Where?
-diet related[raw or high cereal diet]
-zinc malabsorption
tx of zinc responsive dermatitis?
-treat secondayr infection
-zinc supplements
-diet & EFA
-steroids
what is pemphigus foliaceus?
what are signs?
destruction of cell mambrane adhesion molecules
pustules, sclaing, erosion on nose, face, pinnae, nipples, feet ADD PIC OF ALL 3 SLIDES
what are ways to differentiate pyoderma & PF?
only PF can have lesion around face, pinna, footpad
-also irregular,coalescing pustules
-also moist
what is the important aspect to keep in mind regarding callus?
do not remove them
SOME CHARTS
cutaneous lupus erythematosus msot commonly affects what part of body?
nose
[discoid LE is more common that generalised disease]
VASCULITIS WEDGE SHAPED
EM and TEM
ehlers-danlos syndrome is a defect in what two componenets of the dermis?
collagen & elastin
ANOTHER CHART
what % imrpovement do you want in order to switch from remission to maintainence phase when it comes to immune mediated diseases?
80% improvement
[then drop drugs dose by 25% every 1-2 wks]
APPROACH TO EROSIONS N ULCERS CHART
tick bite rxns often get __________rxns around them
granulomatous
which condition: acute facial swelling in dogs up to the age of 2
STERILE PANNICULITIS
STERILE PYOGRANULOMA N REACTIVE HISTIOCYTOSIS
what is SLO (symmetric lupoid onychodystrophy)
sloughing of claws
tx of SLO?
scrape, pluck, smear,
then further
What are 4 zoonotic derm conditions?
Fleas
Cheyletiella
Sarcoptes
Dermatophytosis
