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41 Cards in this Set
- Front
- Back
Choose papule, nodule, or tumor...
- 1-6mm - covered w/normal skin - 5-30 mm - irregular proliferation of tissue |
papule - 1-6mm
papule/nodule - covered w/normal skin nodule - 5-30 mm tumor - irregular proliferation of tissue |
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What are some good differentials for lumps in goats?
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Caseous lymphadenitis (C. pseudoTB)
Abscess (A. pyogenes) Saanen warts Wattle cysts Impacted cud |
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You see these lesions on the back of a cow. What is it, what causes it, and how can you prevent it?
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WARBLES!
Hypoderma bovis or lineate nodules Use ivermectin in the fall to prevent Organophosphates if before Oct 15th (don't want to kill in the spinal cord) |
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What's going on with this cow? What causes it? How might it be diagnosed?
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Acid-fast lymphangitis
Mycobacterium spp. Reacts to TB test |
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How do you treat this in a horse?
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Incise and remove
don't crush! Prevent w/ivermectin |
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What is the histologic hallmark of nodular collagenolytic granulomas?
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amorphous collagen flame fibers + eosinophilic infiltrates
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Which of the following are valid options when treating nodular collagenolytic granulomas?
a) benign neglect b) steroids c) surgery d) ivermectin e) buy a new horse |
a) benign neglect
b) steroids c) surgery e) buy a new horse |
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Where are mastocytomas usually found in horses?
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On the head
Some nasty ones on the joints |
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How do you identify cutaneous amyloidosis?
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Congo red for amyloid
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How are girth nodules treated?
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surgical removal
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What is this nastyness?
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Cutaneous mastocytoma!
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If you see nodules on a horse along the leg lymphatics in CA and E. OR, what might you be thinking? What about if it was in the SE?
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Ulcerative lymphangitis (C. pseudoTB)
In the SE; Sporotrichosis (S. schenckii) |
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If you see small soft to firm nodules in a horse that exude an oily discharge, how will you treat these?
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Vit E and Steroids! These are sterile nodular panniculitis lesions (subcut fat inflammation)
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Name some equine cutaneous masses/tumors, yo!
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Sarcoid!
Papillomas! Melanomas! LSA! Proud Flesh! Habronema! Other shiz.... SCC! |
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Which equine dermal tumors are really subcutaneous?
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Melanoma
Cutaneous LSA |
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What is the most common equine skin tumor? What might be the cause?
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Sarcoid!
d/t BPV 1 or 2 |
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What is the deal here?
How can you treat it? |
Papillomatosis!
Tx - benign neglect, cryosurgery, acetic acid, etc |
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What are the 5 types of sarcoid?
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Flat (occult)
Verrucous Mixed Fibroblastic Nodular |
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How are sarcoids treated?
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Cryosurgery
Debulking + immune therapy Xxterra, blood root, & other crap |
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What is the prognosis for sarcoid treatment?
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50% recrudescence!
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What is this nastyness?
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Equine sarcoid!!!
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What gives here? How is this treated? Prognosis?
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Melanoma
Tx - benign neglect, surgery, oral cimetidine, immune therapy 67% are malignant but slow to metastasize |
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What gives here?
How do you diagnose? |
Cutaneous LSA
Biopsy & histopath |
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What is this?
How do you diagnose? Treatment? |
SCC
Biopsy Tx (cryosx, irradiation, 5FU, hyperthermia) |
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Yuk! What gives here! How is it treated?
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Proud flesh!
Shrink w/pressure bandage or sx excision |
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Here is a horse from the south in the summer. What gives? How do you treat it?
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Habronemiasis (summer sores; swamp cancer)
tx - sx debulk, ivermectin, corticosteroid |
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What are some differentials for big-ol lumps in cattle? Which is most common?
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Papillomatosis (most common)
SCC Actinomycosis (lumpy jaw) Cutaneous LSA |
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Which of the following are not true regarding bovine papillomatosis?
a) Teat warts are caused by serotypes 1 and 2 b) Caused by a papovavirus c) spread by licking warts d) usually in older (>2) animals e) Benign neglect will cure most |
a) Teat warts are caused by serotypes 1 and 2 (NO, this describes typical warts. Teat warts are 1, 5, 6, 9, 10)
d) usually in older (>2) animals (NO, younger <2yo) |
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How do you make a BPV vaccine?
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Take some wart, blend with formaldehyde, add a splash of vermouth, a wedge of lime, and inject it intradermally
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What is the most common eye tumor of the cow?
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SCC (on 3rd eyelid or conjunctiva)
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Which of the following are not true regarding bovine cutaneous LSA?
a) caused by BLV b) only seen in young cows c) autogenous vaccine treatment d) Grayish nodules |
a) caused by BLV (NO, idiopathic)
c) autogenous vaccine treatment (no treatment) |
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What is this nastyness? How do you treat it?
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Papillomatosis
Tx - should fall off in 9 mos or so |
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What are possible sequellae to heat branding?
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Brand keratoma
SCC maybe |
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Which of the following are not true regarding urticaria in horses?
a) history is important in diagnosis b) a type II hypersensitivity c) involves mast cell degranulation d) IgE mediated e) antihistimanes are effective |
b) a type II hypersensitivity (NO, type I)
e) antihistimanes are effective (Nope, use steroids) |
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If urticaria does not regress, it may progress to ____________.
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angioedema
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How much epinephrine should you give to a 1500lb horse in anaphylactic shock?
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4.5 - 7.5mL
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What is this and what caused it? How do you treat it?
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Erythema Multiforme
(d/t: drugs, chemicals, neoplasia, or infection reaction) Spontaneously regresses after 3-4 mos; non-steroid responsive |
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A stressful condition causing cessation of hair growth describes...
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...telogen defluxion
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How can you tell telogen from anogen defluxion?
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Anagen defluxion is RAPID hair loss, has irregular and displastic, and hair breaks
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What are some causes of this?
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Pruritus (culicoides)
Boredom/rubbing/tail itch Pinworms Appaloosa mane alopecia Trichorrhexis nodosa Piedra |
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Which of these...
...causes pruritus ...causes anemia ...can hitch a ride on flying insects ...sometimes mistaken for a tick ...Melaopagus ovinus |
A (chewing louse)...causes pruritus
C (sucking louse)...causes anemia A & C...can hitch a ride on flying insects B (Ked)...sometimes mistaken for a tick B...Melaopagus ovinus |