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Derm > Skin pathology terminology > Flashcards

Skin pathology terminology Flashcards

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Dermatology Board Prep flashcards
1
Q

A circumscribed impalpable area of colour

A

Macule

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2
Q

A small palpable lesion, usually <5mm diameter

A

Papule

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3
Q

A larger palpable lesion, usually >5mm diameter.

A

Nodule

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4
Q

Raised flat-topped lesion, usually >5mm diameter.

A

Plaque

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5
Q

A small fluid-filled blister, usually <5mm diameter.

A

Vesicle

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6
Q

A larger fluid-filled blister, usually >5mm diameter.

A

Bulla

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7
Q

A vesicle containing pus.

A

Pustule

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8
Q

Dried plasma proteins often with inflammatory cells and blood.

A

Crust

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9
Q

Dry flaky/powdery surface due to thickened corneal layer.

A

Scale

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10
Q

Deep (usually self-inflicted) scratch

A

Excoriation

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11
Q

Thickened skin with prominent markings resembling tree bark.

A

Lichenification

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12
Q

Extravasation of erythrocytes into dermis.

A

Purpura

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13
Q

Loss of hair from normal hirsute area.

A

Alopecia

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14
Q

Epidermal thickening due to hyperplasia of the prickle cell layer.

A

Acanthosis

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15
Q

Thickened corneal layer.

A

Hyperkeratosis

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16
Q

Retained nuclear staining characteristics in the corneal layer.

A

Parakeratosis

17
Q

Premature keratinisation of epidermal cells.

A

Dyskeratosis

18
Q

Intra-epidermal oedema.

A

Spongiosis

19
Q

Loss of keratinocyte cohesion

A

Acantholysis

20
Q

Inflammation attacking basal layer.

A

Lichenoid

21
Q

A homogenous eosinophilic apoptotic keratinocyte

A

Cytoid body

22
Q

Example of spongiotic reaction pattern.

A

eczematous dermatitis

23
Q

Example of psoriasiform reaction pattern.

A

Psoriasis

24
Q

Epidermal hyperplasia with regular rate ridge elongation.

A

Psoriasiform reaction pattern

25
Q

Example of Lichenoid reaction pattern.

A

Lichen planus and lupus erythematous

26
Q

Intra- or sub-epidermal blistering reaction pattern.

A

vesiculobullous reaction pattern

27
Q

Examples of Vesiculobullous reaction patterns.

A

Pemphigus vulgaris and bullous pemphigoid

Derm (7 decks)

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