Skin 2 Flashcards
most common equine tumor
sarcoid
describe sarcoid behavior
locally invasive, benign
fibroblasts tissue
slow growing then fast
cause of sarcoids
Bovine Papilloma Virus (spread by flies?)
do you need to separate a horse w sarcoid
yes, spread by flies. (also has immune evasion)
how to classify sarcoids
appearance
6 type s of sarcoids
occult
verrucose
nodular
fibroblastic
mixed
malignant
occult sarcoid
hairless thickened rough skin
slow growing
only type you can try to leave alone
verrucose sarcoids
dry scaly warty
around eyes
broad base
nodular sarcoids
type a- subq, mobile, can be shelled out
type b- attached onto skin
fibroblasts sarcoids
ulcerated
fleshy
aggressive
better prognosis for sarcoids
young
treated early
combined tx
tx options for sarcoids
resection
cryotherapy
chemotherapy
radiation (brachytherapy)
sx method for removing sarcoids
Conventional
CO2 laser
describe cryotherapy
used to help debulk
freeze wound bed
only for small ones
damages surrounding structures
what is AW5
cream that causes skin necrosis.
painful
what kind of chemotherapy
cisplatin intralesional injection at
2 week intervals
what is BCG injection
stimulate immune response locally.
good for around eye
melanoma predilection sites
ears
eyes
anus
vulva
inner thighs
melanoma characteristics
usually benign but slowly invasive
can ulcerate
tx for melanoma
- leave alone (will get bigger)
- sx
- cryo
- chemo
causes of scc
uv radiation
papilloma virus
where do they get scc
eye
genitalia
non pigmented areas
best tx for scc
sx removal
