Cutaneous Gross Anatomy Flashcards Preview

Med 2 - Week 44 > Cutaneous Gross Anatomy > Flashcards

Flashcards in Cutaneous Gross Anatomy Deck (44)
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1
Q

Define: macule

A

flat, non-palpable lesion <1cm

2
Q

Define: papule

A

elevated, solid, palpable lesion <1cm in diameter

3
Q

Define: patch

A

flat, non palpable lesion >1cm in diameter that arises de novo or through coalescence of macules

4
Q

Define: Plaque

A

elevated, solid, palpable lesion >1cm that arises de novo or through coalescence of papules

5
Q

Define: pustule

A

pus containing lesion, usually small but can coalesce

- not synonymous with infection!

6
Q

Define: vesicle

A

liquid or fluid filled (not pus) lesion that is <1cm in diameter

7
Q

Define: Bulla

A

liquid or fluid filled (not pus) lesion that is >1cm in diameter

8
Q

Define: Nodule

A

solid, palpable lesion with significant depth. Usually >1cm and extend into the dermis and/or subcutis

9
Q

Define: Cyst

A

sac containing fluid or semisolid material (cells or cell products)

usually in the dermis and sub-cutis

10
Q

Define: erythema nodosum

A

tender, red nodules on the shins
- have a certain amount of depth

reaction pattern common when a patient is on certain drugs, has chronic disease, or cancer

11
Q

Define: wheals/hives

A

transient (<24hours) well circumscribed papules and/or plaques seen in urticaria

Due to dermal edema and are usually pruritic

12
Q

Define: telangiectasis

A

dilated superficial dermal vessel

13
Q

Define: purpura

A

hemorrhage into the skin –> appears purple

non-blanchable

14
Q

Define: petechiae

A

tiny pinpoint purpura present in the dermis

15
Q

Define: ecchymosis

A

Larger scale hemorrhage into the skin (ie. bruising)

16
Q

Define: comedone

A

dilated pore that contains keratinous debris

  • can be open: “blackhead”
  • can be closed “whiteheads”
17
Q

Define: milium

A

Small superficial white coloured cyst containing keratin (usually <1-2 mm in size)

18
Q

Define: burrow

A

small threadlike curvilinear papules that is pathognomonic of scabies.

Will be VERY itchy and can be found on the genitals and hands

19
Q

Defnine: secondary lesion

A

lesions that appear as a results of alteration or evolution of a primary lesion (rubbing, scratching, trauma)

20
Q

Define: scale

A

accumulation or excess shedding of stratum corneum

present in a broad scale of conditions due to epidermal inflammation

21
Q

Define: crust

A

died exudate (blood. serum, pus) on the skin surface (ie. a scab)

22
Q

Define: lichenification

A

an increase in skin lines/creases produced by chronic rubbing/scratching

23
Q

Define: maceration

A

Softening and whitening of skin that is kept constantly wet

24
Q

Define: hyperkeratosis

A

accumulation of keratin on the skin surface, usually adherent and compact

25
Q

Define: fissure

A

a linear crack in the skin, often very painful

26
Q

Define: excoriation

A

loss of skin due to scratching or picking

27
Q

Define: erosion

A

superficial open wound

  • loss of epidermis or mucosa only
  • usually heals without scarring
28
Q

Define: ulcer

A

deeper open wound with partial or complete loss of dermis or submucosa
- usually heals with scarring

29
Q

Define: atrophy

A

thinning or diminution of epidermal, dermal, and/or subcutaneous tissue

Present with liner lesions along skin tension lines = striae

30
Q

Define: hypertrophic scar

A

overgrowth of scar tissue along the wound boundaries

31
Q

Define: kelloid

A

overgrowth of scar tissue that extend well beyond the original wound boundaries

32
Q

Define: fibrosis/sclerosis

A

diffuse or circumscribed dermal scarring/thickening

33
Q

Define: papulosquamous and give an example

A

elevated lesions and scale

ex: psoriasis

34
Q

Define: papulopustular and give an example

A

papules and pustules present

ex: acne or rosacea

35
Q

Define: maculopapular

A

small flat and raised lesions simultaneously present

ex: viral exanthems or certain drug reactions

36
Q

Define: nodulocystic and give an example

A

nodules and cysts

ex: severe acne

37
Q

Define: noduloulcerative and give an example

A

lesion with significant depth that is ulcerative

ex: skin cancer, deep fungal infection

38
Q

yellow pigmentation of a lesion suggests?

A

present of a lipid
- ex: xanthelasma, sebaceous hyperplasia

or jaundice

39
Q

green pigmentation of a lesion usually suggests?

A

pseudomonas infection

40
Q

Define: umbilicated

A

lesion with a central depression

- ex: molluscum contagiousum, and varicella

41
Q

Define: verrous

A

rough, warty like structure

42
Q

Define: serpiginous

A

s shaped and curvy

43
Q

Define: erythroderma

A

condition where >90% of the body is red and inflamed +/- scaling

44
Q

Define: Koebner phenomenon

A

typical lesions induced by scratching/trauma. Also known as the isomorphic phenomenon

common in psoriasis