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Pastern Dermatitis - Coggle Diagram
Pastern Dermatitis
CS
affects caudal pastern
can extend cranially and proximally
commonly hindlimbs
usually bilateral
white pastern increases risk
initial
erythema
edema
exudation
crusting
secondary bacterial infection is common
chronic
skin thickening
fissues
exuberent granulation tissues
severe edema of the limbs
may be impossible to determine original cause
don't confuse with chronic progressive lymphedema of draft horses
+/- pain, pruritus
+/- lameness
ddx
bacterial folliculitis
dermatophilosis
dermatophytosis
contact dermatitis
vasculitis
chorioptic mange
history
varies according to cause (yep.)
pain
discomfort
reluctance to all touch
+/- pruritus
chorioptic mange
lice
allergic rxn
general considerations
"greasy-heel"
"scratches"
many possible causes
treatment
most successful when specific and early
symptomatic care
clip and clean
remove crusts
+/- topical ointment for secondary infection
diagnosis
minimum database
skin scraping
cytology
trichography
fungal cultures
+/- skin biopsy