Introduction to rashes Flashcards

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1
Q

What is hyperkeratosis?

A

Increased thickness of keratin layer

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2
Q

What is parakeratosis?

A

Persistence of nuclei in keratin layer

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3
Q

What is acanthosis?

A

Increased thickness of epithelium

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4
Q

What is papillomatosis?

A

Irregular epithelial thickening

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5
Q

What is spongiosis?

A

Oedema fluid between squames, which appears to increase prominence of intercellular prickles (If severe, vesicles filled by oedema fluid develop)

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6
Q

What are the 4 main reaction patterns of inflammatory skin disease?

A

Spongiotic
Psoriasiform
Lichenoid
Vesiculobullous

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7
Q

What is meant by spongiotic inflammatory skin disease?

A

Inflammatory skin disease with intraepidermal oedema (E.g. Eczema)

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8
Q

What is meant by psoriasiform inflammatory skin disease?

A

Inflammatory skin disease with elongation of rete ridges (E.g. Psoriasis)

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9
Q

What is meant by lichenoid inflammatory skin disease?

A

Inflammatory skin disease with basal layer damage (E.g. Lichen planus, lupus)

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10
Q

What is meant by vesiculobullous inflammatory skin disease?

A

Inflammatory skin disease with blistering (E.g. Pemphigoid, pemphigus, dermatitis herpetiformis)

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11
Q
A
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