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Internal diseases of small animals > Dermatology I > Flashcards

Dermatology I Flashcards

1
Q

What are the roles of the skin?

A
  • Homeostasis of the body
  • Integrity of the body
  • Thermoregulation
  • Immunological function
  • Neurosensorical receptors
  • Metabolic function
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2
Q

What are the layers of the skin?

A

Epidermis
Dermis
Subcutis

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3
Q

Which other organ systems can be affected by dermatological problems?

A

Eye - conjunctivitis
Nose - planum nasale
Lips - depigmentation, crusts
Oral cavity and mucus membranes
Ears - otitis
Foot pads
Perianal and peridigital areas
Lymph nodes
Abdominal cavity
Thoracic cavity

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4
Q

How do we characterize lesions by?

A

Number
Configuration
Symetricity
Primary
Secondary

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5
Q

Describe a primary effluorescence:

A

Macula or papula
Plaque
Nodule
Tuber
Vesicula
Bulla
Pustula
Urtica

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6
Q

Describe secondary effluorescences:

A

Squama
Crust
Eschara
Erosion
Ragada
Fissura
Ulcer
Sinus
Comedo
Cicatrix

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7
Q

What are the two divisions of lesions alopecia?

A

Primary or secondary (majority)

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8
Q

Primary alopecia occurs as a result of:

A

Endocrinopathy

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9
Q

Secondary alopecia occurs as a result of:

A

Underlying conditions of the follicle, or trauma to the hair shaft (pruritus)

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10
Q

What is lentigo?

A

Hyperpigmentation of the skin

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11
Q

What is albinism?

A

Hypopigmentation, or generalised depigmentation

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12
Q

What is vitiligo?

A

Localized depigmentation

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13
Q

What other parameters do you evaluate in skin?

A

Color
Mucus membranes
Pigmentation
Thickness
PRURITUS

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14
Q

What can influence skin thickness?

A

Atrophy
Edema
Lichenification
Pachydermia
Hyperkeratosis (thickening of stratum corneum proprium)

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15
Q

What are parts of the basic dermatological evaluation?

A

Adspection
Palpation
SKin scraping

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16
Q

What do you evaluate during adspection of the skin?

A

Haircoat - quality, density, foreign material, parasites
Hypotrichia, atrichia
SKin - volume, elasticity, thickness, colour, alopecia, effluorescencies

17
Q

What can you detect during skin scraping?

A

Scalpel: Demodex, Sarcoptes nodoedres, Cheyletiella
Tape: Fleas, eggs, Cheyletiella

18
Q

Cytology is used to look for:

A
  1. Types and numbers of cells - determine inflammation
  2. Types and numbers (subjective) of infectious agents - bacteria and fungi/yeasts
19
Q

Name types of cytological examination:

A

Impression smear
Fine needle aspiration
Staining
Mycology
Wood lamp

20
Q

Woods lamp uses:

A

UV light

21
Q

Name phases of hair growth:

A

Anagen
Catagen
Telogen

Internal diseases of small animals (2 decks)

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