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Dermatology > Terminology > Flashcards

Terminology Flashcards

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Dermatology Board Prep flashcards
1
Q

Hypotrichosis

A

Less than normal amount of hair - rarely used in vetmed

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2
Q

Defluxion/effluvium

A

Sudden widespread loss of hair

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3
Q

Easy epilation

A

Hairs in resting phase easily removed - If it leads to alopecia then it is likely to be pathological rather than part of normal shedding

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4
Q

Erythema

A

Redder than normal skin - may indicate inflammation

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5
Q

Macules

A

Cicular, flat areas of abnormally coloured skin

Erythematous, haemorrhagic, hyper/hypopigmented

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6
Q

Papule

A

Small red circular pimples <1cm diameter

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7
Q

Pastule

A

Similar to papule but with a central area of pus

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8
Q

Staphylococcal ring

A

Central circular area of alopecia surrounded by rim of erythema + ring of scaling (epidermal collarette)

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9
Q

Scale

A

Grossly visible accumulation of corneocytes (dandruff)

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10
Q

Seborrhoea (seborrhoea oleosa)

A

Excessive scaling or greasiness

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11
Q

Exfoliations

A

Shedding of large sheets of scale

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12
Q

Hyperkeratosis

A

Thickening of SC - only seen histologically. Used clinically to describe accumulations on nasal planum or footpads

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13
Q

Comedone

A

Accumulation of keratin within hair follicle

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14
Q

Follicular cast

A

Sheet of scale surrounding hair shaft above skin surface

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15
Q

Lichenification

A

Thickening of skin due to thickened epidermis. This is an attempt to increase defence - often a response to chronic pruritis.

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16
Q

Plaque

A

Localised patch of thickened skin with flat surface

17
Q

Myxoedema

A

Puffy thickening of skin caused by excessive quantities of mucin in the dermis

18
Q

Cutaneous atropy

A

Thinning of the skin

19
Q

Furunculosis

A

rupture of hair follicles beneath skin surface

20
Q

Erosions, ulcers, vesicles and bulla

A

Erosion - removal of epidermis with BM still intact

Ulcer - exposure of the dermis

Vesicle - blister less than 1cm

Bulla - large blister >1cm

21
Q

Excoriation vs. fissures

A

Excoriations are scratches ovccuring from insult to the skin

Fissures are spontaneously occuring seperations of epidermis (often affects nasal planum and footpads)

22
Q

Crust

A

Adherant mixture of SC, serum, blood, pus. e.g. blood drying on skin surface

23
Q

Hyperhidrosis

A

Excessive sweat

24
Q

Calcinosis cutis

A

Deposition of calcium on skin surface

25
Q

A circular raised area of skin caused by oedema in the dermis

A

Wheals

26
Q

What is a nodule vs a cyst?

A

Nodule - solid cutaneous swelling caused by inflammatory or neoplastic cells

Cyst - epithelium lined cavity in skin comprising skin components e.g. keratin, hair, sebum

27
Q

How can the distribution of skin lesions be described?

A

Regional, multi-regional, generalised, symmetrical, non-symmetrical

Dermatology (3 decks)

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