Dermatology terms Flashcards

1
Q

macule

A

flat, impalpable circumscribed area of skin with altered skin colour, less than 10mm
eg:freckle.

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2
Q

papule

A

small raised spot on skin, dome shaped, less than 5mm

eg: contact dermatits.

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3
Q

patch

A

similar to macule but larger than 10mm

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4
Q

plaque

A

raised area on skin formed by papules converging with scaly, silvery outing.
eg: psoriasis

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5
Q

nodule vs vesicle

A

nodule is a solid lesion with deeper skin involvement.

vesicle is a small fluid filled lesion eg: small blisters.

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6
Q

pustule vs bulla

A

pustule is similar to a vesicle with purulent matter.

bulla is a large fluid filled vesicle.

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7
Q

annular

A

ring shaped erythematous covering around central “clearing”

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8
Q

wheal

A

swelling with clear well defines edges

eg: insect bite.

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9
Q

discoid/ nummular

A

itchy, swollen, cracked oval shaped lesion.

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10
Q

comedone

A

pores or hair follicles blocked with bacteria, oil or dead skin forming bumps on skin. no inflammation.
eg: forehead acne.

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11
Q

alopecia

A

loss of hair.

can be patchy or diffuse.

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12
Q

hypertrichosis

A

hair growth on lesions.

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13
Q

hirsuitism

A

women with excess male like hair growth pattern.

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14
Q

koilonychia nails

A

spoon nails with depression that can hold liquid.

eg: iron deficiency anaemia.

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15
Q

pitting nails

A

tiny dents in nails eg: psoriasis, eczema, joint inflammation.

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16
Q

onycholysis nails

A

painless separation of nail from nail bed.

eg: infection or injury.

17
Q

clubbing

A

enlargement of fingertips and downward sloping of nails.

eg: in chronically low blood oxygen.