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CM-Dermatology > dermatologic descriptions > Flashcards

dermatologic descriptions Flashcards

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Dermatology Board Prep flashcards
1
Q

superficial, well circumscribed, raised, serous fluid filled lesion >.5 cm diameter

A

Bulla

ex. bullous pemphigoid, pemphigus

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2
Q

subcutaneous linear, serpingious tunnel within epidermis

made by a parasite

A

Burrow

ex. scabies

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3
Q

slightly raised lesion w/ irregular border, variable color from dried exudate

A

Crust

ex. scab from an abrasion

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4
Q

flat, nonblanching, red-purple-blue lesion, result of extravasation of RBC into skin
(large purpura lesion)

A

Ecchymosis

ex. trauma, long term steroid use

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5
Q

depressed lesion resulting from loss of epidermis due to rupture of vesicles or bullae; wears away due to friction or pressure; heals without scarring

A

Erosion

ex. rupture of herpes simplex blister

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6
Q

linear, superficial lesion, may be covered w/ dried blood
early lesions w/ surrounding erythema
skin abrasions due to scratching of skin

A

Excoriation

ex. scratching, often self induced

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7
Q

deep linear lesion into the dermis, wedge shaped tear in epidermis with abrupt walls

A

Fissure

ex. cracks seen in athletes foot

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8
Q

irregular, raised lesion resulting from hypertrophied scar tissue

A

Keloid

ex. often seen with burns, african americans more prone

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9
Q

thickening of the epidermis w/ increase in skin markings from chronic irritation and rubbing

A

Lichenification

ex. atopic dermatitis

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10
Q

circumscribed flat area

A

Macule

ex. freckles, rubella, petechiae

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11
Q

solid, palpable, circumscribed lesion, larger than papule (>1cm )and smaller than a tumor (

A

Nodule

ex. erythema nodosum

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12
Q

circumscribed, solid, elevated lesion

A

Papule

ex. acne, warts, insect bites

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13
Q

nonpalpable, flat, circumscribed discoloration of the skin w/ irregular border, >1cm

A

Patch

ex. vitiligo

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14
Q

flat, pinhead sized, nonblanching, red-purple lesion caused by hemorrhage into the skin

A

Petechiae

ex. seen in DIC, ITP, SLE, meningococcemia

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15
Q

well circumscribed, solid, elevated, superficial lesion >1cm

may be formed from confluent papules

A

Plaque

ex. psoriasis, discoid lupus erythematosus, actinic keratosis

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16
Q

nonblanching, red-purple lesion larger than petechiae, caused by hemorrhage into skin;
violaceous discoloration of the skin; may be palpable or not

A

Purpora

ex. Henoch-Schonlein purpura, TTP

17
Q

circumscribed superficial elevation filled with purulent fluid/pus

A

Pustule

ex. acne, impetigo

18
Q

partial separation of superficial layer of skin; visible shedding of stratum corneum

A

Scales

ex. psoriasis, dandruff

19
Q

replacement of normal skin with fibrous tissue

final stage of healing involved the deeper dermis

A

Scar

ex. surgical scar, burn

20
Q

dilation of capillaries resulting in red, irregular, clustered lines that blanch

A

Telangiectasia

ex. seen in scleroderma, Osler-weber-rendu disease, cirrhosis

21
Q

solid, palpable, circumscribed lesion >2cm

can be above, level with, or below skin surface

A

Tumor

ex. lipoma

22
Q

depressed lesion resulting from loss of epidermis and part of dermis
localized defect of irregular size and shape
heals with scar

A

Ulcer

ex. decubitus ulcer, primary lesion of syphilis, venous stasis ulcer

23
Q

superficial, well circumscribed, raised, serous filled lesion

A

Vesicle

ex. herpes simplex, varicella (chickenpox)

24
Q

transient, circumscribed, elevated papules or plaques often with erythematous borders and pale centers
lesion secondary to edema of skin

A

Wheal

ex. urticaria (hives), allergic reaction to injection or insect bite

25
Q

thinning or depression of surface of skin, loss of normal markings, due to reduction in underlying tissue

A

Atrophy

ex. aging, striae w/ obesity, scleroderma

26
Q

hardening or induration of skin caused by increase in collagen

A

sclerosis

27
Q

death of skin tissue

A

necrosis

28
Q

darkened plug of sebum and keratin; occludes pilosebaceous follicles

A

comedone

29
Q

encapsulated, raised lesion filled with solid or liquid material; often fluctuant

A

cyst

30
Q

Configuration types: (arrangement)

  1. each lesion easily separated from others
  2. edges of lesions blend into one another
  3. just one lesion in an area
  4. lesions are discrete, multiple and distributed in no pattern
A
  1. discrete
  2. confluent
  3. isolated
  4. scattered
31
Q

Configuration types: (arrangement)

  1. lesions appear close together with normal skin between
  2. in a line
  3. distributed in one spinal nerve branch
A
  1. grouped
  2. linear
  3. dermatomal
32
Q

Configuration types (shape/pattern)

  1. ring like shape
  2. shape made up of tangential rings
  3. arc shaped, crescent shaped
  4. shape like a snake
A
  1. annular
  2. polycyclic
  3. arcuate
  4. serpinginous
33
Q

Configuration types (shape/pattern)

  1. shaped like bulls eye
  2. net like pattern
  3. shiny smooth surface
A
  1. iris/target
  2. reticulate
  3. glaborous
34
Q

what are the ABCDE of evaluating pigmented lesions?

A

Asymmetry, Border, Color, diameter, evolution

CM-Dermatology (3 decks)

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