Integumentary Diseases Flashcards
1
Q
Otodectes Cynotis
A
- Ear Mites
- live in the external ear canal and feed on the epidermal debris
- Pruritus
- Brown-black exudate
- Highly contagious
2
Q
Fleas
A
- Ctenocephalides Felis
- Pruritus, military dermatitis, pepperlike granules
3
Q
Rhipicephalus Sanguineus
A
- Brown Dog Tick
- “Hard tick”
4
Q
Dermacentor Variabilis
A
- American Dog Tick
- “Hard tick”
5
Q
Argasidae
A
-“soft ticks”
6
Q
Ticks
A
- Transmit bacteria, viral, rickettsial, and protozoan diseases
- Can cause tick paralysis
7
Q
Demodex Canis
A
- Lives in hair follicles
- entire life spent on host
- Alopecia on face, erythema with crusts
- Tx: Ng, Bravecto, Simparica, Isoxazolines, Ivermectin
- Not contagious
8
Q
Sarcoptes
A
- Scabies
- Highly contagious
- Mites burrow into epidermis
- Intense pruritus, alopecia, erythema, thin skin areas affected
- Tx: Revolution q 2 weeks, Isozazolines
9
Q
Notoedres Cati
A
- Feline scabies
- Intense pruritus
10
Q
Myiasis
A
- maggots
- flies lay eggs on wet, warm, or damaged skin
11
Q
Lice
A
- Hos specific
- Pruritus
- Live on the hair shaft
12
Q
Dermatophytosis
A
- Ringworm
- Zoonotic
- Alopecia, non-pruritic
13
Q
Pyoderma
A
- Bacterial infection of the skin
- Papules, pustules, collarettes
14
Q
Acute Moist Dermatitis
A
- Hot spot
- secondary to skin trauma
- Lesions appear rapidly
- alopecia, erythema, moist, painful, yellow exudate, pruritus
15
Q
Feline Acne
A
- Swollen, painful chin
- Large comedones
16
Q
Skin Fold Pyoderma
A
- Lips, facial folds, vulvar folds, tail folds
- redundant tissue traps moisture and heat
- foul odor and exudate, erythema
17
Q
Puppy Pyoderma
A
- Impetigo
- Non-pruritic, papule and pustules on ventrum
18
Q
Malassezia
A
- Yeast
- overgrowth of normal flora, usually secondary to atopy, food allergy, pruritus, skin fold
- yeast loves moist environment
- hyperpigmentation, greasy exudate, pruritus
19
Q
Deep Pyoderma
A
- Juvenile pyoderma (puppy strangles)
- German Shepherd pyoderma
- Papules, pustules, febrile, draining tracts
- C&S from intact pustule
20
Q
Puppy Strangles
A
- Immune-mediated disease
- Initially sterile, then secondary infection of the skin
- Submandibular lymphadenopathy, fever, swelling of lips, eyelids, and nose
21
Q
Neoplasia
A
- Uncontrolled growth of cells or tissues in the body
- Can be benign or malignant
- Malignant (Carcinoma or Sarcoma)
- Carcinoma: epithelial origin
- Sarcoma: connective tissue origin
22
Q
Histiocytomas
A
- Benign
- Young dogs
- Small, red, button-like nodules
- Hairless and ulcerated
23
Q
Lipoma
A
- Benign
- Older dogs
- Soft growth in SQ tissue
24
Q
Papillomas
A
- Warts
- Caused by virus, benign
- Young dogs
- White, cauliflower-like, elevated lesions
25
Sebaceous Cysts
- Sebaceous glands produce sebum
- Benign
- Encapsulated and round swelling under the skin can express caseous exudate
26
Basal Cell Adenoma
-Benign skin tumor in cats
27
Basal Cell Carcinoma
- Malignant
- Older dogs
- single, round skin lesion
28
Fibrosarcomas
- Older dogs
- Oral cavity common
- Feel firmly adhered to underlying tissue
29
Vaccine-Induced Fibrosarcomas
- Malignant
- Rapidly rowing mass, high invasive
- Vaccinate animal as low as possible
30
3-2-1- Rule
- Persistence after 3 months
- Size larger than 2cm
- Increase in size 1 month after vaccine
31
Mast Cell Tumors
- Malignant in older dogs
- Benign in older cats
- Great Pretender
- Raised nodular masses, maybe ulcerated
- Pathologist uses Grade 1-3
32
Melanoma
- Occur in highly pigmented areas in dogs
| - Tumor of oral cavity and digits tend to be malignant and metastasize
33
Squamous Cell Carcinoma
- Dogs and cats
- Malignant
- Thinly haired, non-pigmented skin that is sun-damaged
- Pinnae and nose in cats; especially white cats
- Raised, cauliflower-like lesions
34
Atopy
- Skin allergies associated with environmental allergens
- Seasonal pruritus, alopecia, secondary pyoderma, symptoms worsen over time
- Managed not cured
35
Food Allergy
- Exaggerated response of the dog's immune system to a protein
- Pruritus, alopecia, secondary pyoderma
36
Feline Eosinophilic Granuloma Complex
- Lesions usually secondary to allergies; food, fleas, atopy
| - "Rodent ulcer"
37
Pemphigus
- Immune-mediated disease
- Body attacks its own skin
- Erosions, ulcerations, and thick crusting of the skin and MM
38
System Lupus Erythematosus
-Immune-mediated disease that attacks multiple organ systems
39
Discoid Lupus Erythematosus
- Immune-mediated disease triggered by sun exposure
| - Only affects nasal planum and bridge of nose
