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Dermatology > 1: Dermatology Terminology > Flashcards

1: Dermatology Terminology Flashcards

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Dermatology Board Prep flashcards
1
Q

Define a macule

A

Discolouration in the skin which is not elevated

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2
Q

What is a papule

A

Elevated discolouration of the skin that is less than 0.5cm diameter

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3
Q

What is a nodule

A

Elevated discolouration of the skin that is more than 0.5cm in diameter

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4
Q

What is a plaque

A

Elevated area of skin more than 2cm in diameter

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5
Q

What is a vesicle

A

Blister <0.5cm

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6
Q

What is a bulla

A

Blister >0.5cm

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7
Q

What is a pustule

A

Blister containing evident pus

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8
Q

What is a cyst

A

Closed cavity or sac lined by epithelium

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9
Q

What is a wheal

A

Oedema of the dermis

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10
Q

What are scales

A

Accumulation of keratin that flakes off

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11
Q

What is an ulcer

A

Loss of epidermis and dermis

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12
Q

What is an erosion

A

Loss of epidermis

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13
Q

What is a fissure

A

Split through epidermis and dermis

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14
Q

What is a verrucous/wart

A

Collection of keratin

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15
Q

What is ecchymosis

A

brusing due to leakage of blood

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16
Q

What is a patch

A

Similar to macule (Non-elevated discolouration) but textured

17
Q

What are petechiae

A

Small purpura (< 1mm)

18
Q

What causes Purpura

A

Leakage of RBC from blood vessels followed by their destruction

19
Q

What is a pustule

A

Pus in the epidermis or derma-epidermal junction

20
Q

What is telangiectasia

A

Dilation of superficial blood vessels

21
Q

How can the different skin types be graded

A

Fitzpatrick skin types

22
Q

What is fitzpatrick type I

A
  • Highly sun sensitive
  • Always burns
  • Never tans

(Red Head With Freckles)

23
Q

What is fitzpatrick type 2

A
  • Very sun sensitive
  • Burns easily
  • Rarely tans

(Caucascians with fair skin and fair hair)

24
Q

What is fitzpatrick type 3

A
  • Sun sensitive
  • May burn
  • Can tan to light brown
25
Q

What is fitzpatrick type 4

A
  • Minimal sun sensitivity
  • Tans to moderate brown

(Medeterranian Caucasian)

26
Q

What is fitzpatrick type 5

A
  • Sun insensitive
  • Rarely burns
  • Tans well

(Blacks, Hispanics)

27
Q

What is fitzpatrick type 6

A
  • Sun insensitive
  • Rarely burns
  • Tans well
  • Dark pigmentation

(Darker black)

28
Q

What are the three layers of skin

A
  • Epidermis
  • Dermis
  • Subcutaneous tissue
29
Q

What are the 5 layers of the epidermis

A
  • Stratum corneum
  • Stratum lucidum
  • Stratum granulosum
  • Stratum spinous
  • Stratum basale

Dermatology (6 decks)

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