Skin: Primary Lesions Flashcards Preview

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Flashcards in Skin: Primary Lesions Deck (12)
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1
Q

Macule

A

Colour change only, flat, < 1cm diameter.

2
Q

Patch

A

Macule > 1cm diameter

3
Q

Papule

A

Solid, elevated, < 1cm, superficial thickening of dermis. Ex. Nevus/mole

4
Q

Plaque

A

Surface elevation > 1cm, plateau like (psoriasis)

5
Q

Nodule

A

Solid, elevated, >1cm, differs from plaque because goes deeper into dermis, more rigid.

6
Q

Wheal

A

Superficial, raised, transient and reddish, slightly irregular shape because of edema. Ex. Mosquito bite, allergic reaction.

7
Q

Tumour

A

Larger than a few cm, deeper into dermis, benign or malignant.

8
Q

Urticaria

A

Wheals that come together to form an extensive reaction, hives.

9
Q

Vesicle

A

Aka blister, elevated cavity containing fluid up to 1cm

10
Q

Bulla

A

Ex. Friction blister, greater than 1cm, superficial, thin walled, ruptures easily.

11
Q

Pustule

A

Cavity filled with pus, not clear liquid

12
Q

Cyst

A

Fluid filled, goes deep into skin, tensely elevated skin