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Dermatology > Describing Skin Lesions- Primary Morphology > Flashcards

Describing Skin Lesions- Primary Morphology Flashcards

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Dermatology Board Prep flashcards
1
Q

Primary Morphology

A

Flat vs Raised
Size
Constituency

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2
Q

A Flat Lesion

A

Has no raised borders; Feels as though it is part of the skin

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3
Q

You describe the size in

A

10mm

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4
Q

Flat lesion <10mm

A

Macule

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5
Q

Flat lesion >10mm

A

Patch

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6
Q

Raised lesion <10mm

A

Papule

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7
Q

Raised lesion >10mm

A

Plaque

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8
Q

Constituency

A

Is the raised lesion liquid filled, pus filled or solid

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9
Q

Liquid Filled <10mm

A

Vesicle

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10
Q

Liquid Filled >10mm

A

Bulla

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11
Q

Pus Filled

A

Pustule

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12
Q

Solid

A

Nodule

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13
Q

Another type of constituency that can be flat or raised

A

Blood

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14
Q

Petechiae

A

Non-palpable (Not Raised)
<3mm
This is a bit of blood beneth the skin that is <3mm.

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15
Q

Purpura

A

May be palpable

3-10mm

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16
Q

Ecchymosis

A

Non-palpable

>10mm

17
Q

What is petechiae, purpura and ecchymosis considered

A

Non-blanchable

18
Q

Non-blanchable

A

If you press down on the lesion it doesn’t go away. Some other types of lesions that are red (blood filled) if you press down on them they will turn white. Essentially pushing the blood out of them.

19
Q

What is petechiae, purpura and ecchymosis generally due to

A

Thromboytopemnia

20
Q

Thromboytopemnia

A

A low platlet count

21
Q

Telangiectasia

A

Small dilated blood vessels

22
Q

Urticaria

A

Red, rounded and raised rash- Allergic reactions (Hives)

23
Q

Ulcers

A

Loss of epidermis and partial loss of dermis

24
Q

Excoriation

A

(Scratch marks), Erosion of the skin that is linear in shape

25
Q

Scales

A

Flaking of skin caused by epidermal thickening

26
Q

Crusts

A

Dried out exudate/ sebum on skin

Dermatology (2 decks)

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