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SS - Exam 4 > Ferrets, Rabbits/rod Derm > Flashcards

Ferrets, Rabbits/rod Derm Flashcards

1
Q

Questions to ask on derm problem presentation?

A
  1. Is it contagious to other animals in household/country?
  2. Is this zoonotic?
  3. Is this indicative of underlying problems ?
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2
Q

Adrenal disease in ferrets

A

Occurs in either sex - usually in fixed/desexed

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3
Q

Etiology of adrenal disease

A

S/N = lack of negative feedback loop of gonadotropins
Prolonged stimulation of LH and FSH to AG
Leads to hyplasia, adenomas or adenocarcinoma
=Sex hormone disorder - from AG

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4
Q

Signs of ferret adrenal disease

A

ALOPECIA
Pruritus
Swollen vulva
Stranguria- enlarged prostate
Behavior changes

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5
Q

Cyclical tail alopecia

A

Occurs in either sex, 1-5 yr old
Partial-complete tail alopecia
Comedones (black heads) NOT pruritic
No known cause
Resolves spontaneously in a few months

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6
Q

Alopecia of prolonged estrus

A

Occurs in intact female ferrets - induced ovulators
When estrus lasts 2-3 months
Causes bilaterally symmetric alopecia, swollen vulva, anemia, thrombocytopenia, Myelosuppression

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7
Q

Treating alopecia of prolonged estrus

A

OHE, induce ovulation

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8
Q

Mast cell tumors in ferrets

A

Present with small, discreet benign nodules
MOST COMMON skin tumor of ferrets
Pruritus, red/inflammed if histamine granules release

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9
Q

Basal cell tumors in ferrets

A

Present brown/black color, small discreet (ususally) benign tumors
Have the potential to ulcerate

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10
Q

Ectoparasites on ferrets

A

Fleas
Ear mites
Sarcoptic mites
Warbles
Demodectic mites

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11
Q

Demodectic mites are common in

A

Immunosuppressed ferrets in chemo or high dose prednisolone for insulinomas - facial facial alopecia

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12
Q

Less common (benign) tumors

A

Sebaceous gland adenomas
Chordoma - occur on tip of the tail
Cutaneous lymphosarcoma
Ferrets can get a wide variety of skin tumors

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13
Q

Dermatophytosis

A

Ring worm in ferrets - caused by microsporum canis
Common in young animals
Tx - same as cats
ZOONOTIC

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14
Q

Distemper dermatopathy in ferrets

A

Fatal disease in ferrets
Signs- rhinitis, conjunctivitis, pneumonia, GI signs
Skin lesions - erythema on face, leading to serborrheic dermatitis, HK on footpads

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15
Q

Sertoli cell tumor

A

Rare - since most males are neutered
Causes feminization

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16
Q

Bacterial infections in ferrets

A

Common source is bite wounds can lead to Acute moist Pyotraumatic dermatitis

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17
Q

Allergic dermatitis

A

Atopy is rare
If a ferret presents with pruritus - rule out fleas, suspect adrenal disease
HIVES is another rare differential

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18
Q

Common disorders of rabbits

A

Cheyletiella
Fleas
Myiasis
Moist dermatitis
Subcutaneous abscesses
Ulcerative pododermatitis

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19
Q

Cheyletiella - rabbits

A

Causes patchy alopecia w mild scaling
DX w tape prep
Can be asymptomatic carriers

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20
Q

Fleas - rabbits

A

Treat w revolution NOT frontline
Don’t know why but it causes illness in rabbits

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21
Q

Myiasis - rabbits

A

Maggots - Cuterebra or non Cuterebra (fly strike)
From outdoor exposure or dirty environment

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22
Q

Moist dermatitis - rabbits

A

Slobbers - drooling due to poor water source = prolonged wet skin
Or dental disorder

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23
Q

Ulcerative pododermatitis

A

Due to dirty /neglect
Infection from standing in feces /wet environment

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24
Q

Venereal spirochetosis - rabbit syphilis

A

Caused by treponema paraluiscuniculi
Transmitted via sexual contact/birth
See signs on ext genitalia and face

25
Signs and Tx of rabbit syphilis
Hyperemia & edema followed by Macule, papules, erosions, ulcers, crusts Injectable penicillin or spontaneous resolution
26
Rabbit Dermatophytosis
**trichophytan mentogrophytes** different species Signs w dry, crusty patches of alopecia
27
Other skin disorders of rabbits
Ear mites Myxomatosis Papilloma virus Fibrous virus Barbering Hair pulling Necrobacillosis Sebaceous adenitis Self - mutilation after IM inj of ketamine or xylazine
28
Dermatophytosis in guinea pigs
Trichophyton metagrophytes ** Zoonotic Asymptomatic to focal alopecia
29
mites in GP
Sarcoptic - trixacurus caviae : INTENSE PRURITIS Chirodiscoides caviae - asymptomatic Demodectic mites - Demodex caviae - asymptomatic
30
Lice in GP
Gliricola porcelli - MOST COMMON Spreads via contact, grossly visible NOT zoonotic
31
Cervical lymph adenitis in GP
Caused by strep zooepidemicus - oral commensal Cervical swelling, thick tick pus Tx w surgical excision - TX w non penicillin ABx
32
Ulcerative pododermatitis in GP
Similar to rabbits - due to abrasive and dirty cages/floor
33
Trichofolliculoma in GP
Benign basal cell epithelioma
34
Alopecia without dermatitis in GP
Barbering Gestational alopecia Weanling alopecia Ovarian cysts
35
Nutritional conditions in GP
Scurvy - vitamin C deficiency - scaling of pinna, poor coat, crusty eye discharge Metastatic soft tissue mineralization Fatty acid deficiency Riboflavin deficiency
36
HK in feet of GP
Horny growths of lateral aspect of feet Trim
37
Male hygiene disorders
Circumanal plugs Preputial dermatitis
38
Dermatophytosis in chinchillas
Ring worm caused by trichophytan mentagrophytes Focal alopecia, white flake dermaitits
39
Fur chewing in chinchillas
Unknown cause - stress, overcrowding, poor foliage diet Broken hair shafts - patchy alopecia
40
Matted fur in chinchillas
Due to warm/humid environment w/out dust baths Increase # or access to dust baths
41
Other fur conditions of chinchillas
Fur slip - acute shedding of large tufts of fur, caused by fights/fear/stress Fur ring (males) - ring of fur entrapped around prepuce causing paraphimosis
42
Demodectic mange in hamsters
Caused by Demodex criciti- non path Demodex aurati- pathogenic Alopecia +/- dermatitis - common in older hamsters Can occur w commensal parasite Tx w nexgard
43
Bacterial infections in hamsters
Cause bc staph aureus or strep sp Alopecia, erythema, excoriations, abscesses
44
Flank glands in hamsters
Normal appearence Prominent in males Syrian - bilateral on flank Dwarfs - single, ventral abdomen
45
HDC in hamsters
Caused by adrenal gland adenomas Can have PDH form Bilateral symmetric alopecia, PU/PD Difficult to treat
46
Other diseases in hamsters
Dermatophytosis - rare Nude hamsters - usually genetics Neoplasia - melanomas most common
47
Rats - chromodacryorrhea
Reddish stain around eyes Caused by virus, mycoplasma, stress
48
Ulcerative dermaitis - rats
Skin ulcers, 2nd to self traumas Staph bacteria most common
49
Ectoparasites in rats
Fur mites - radfordia ensifer = pruritic Lice - polyplasx spinulosa - rare Notoedres mites - rare
50
Neoplasia in rats
Uncommon unless specifically bred for Wide variety of skin tumors reported
51
Nutritional dermatosis (sunflower and peanut diet) in rats
Linoleic, linolenic, arachidonic acid deficiencies Vit A, B12 & copper deficiency
52
Other diseases of rats
Ringtail - low humidity Pox virus - rare Dermatophytosis - rare
53
Mice ectoparasites
Scabies !!! My opted musculinus Lice - polyplax serrat - rare
54
Dermatophytosis in mice
Trichophytan metagrophytes
55
Other conditions in mice
Barbering Bacterial dermaitits and abscesses Mouse pox Nutritional deficiencies Neoplasia
56
Nasal dermatitis in gerbils
Epiphora, porphyrin secretion = moist dermatitis, superficial pyoderma Caused by fumes of cedar shavings
57
Cystic ovaries in gerbils
Common in over 50% of gerbils Bilaterally symmetric alopecia w poor coat quality
58
Hedgehogs
Dermatophytosis Acariasis Bacterial pyoderma Papilloma virus Neoplasia

SS - Exam 4 (28 decks)

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