Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MSCT > MSCT Week 4: Skin Morphology and Exam > Flashcards

MSCT Week 4: Skin Morphology and Exam Flashcards

1
Q

How is morphology used by dermatologists?

A
  • used to describe the shape, form, and structure of skin lesions
  • morphologic characteristics are key elements in establishing the diagnosis and communicating skin findings
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Critical steps describing morphology

A
  • Careful visual and tactile inspection
  • Correct use of terminology
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A good description includes

6 Listed

A
  • Palpability
  • Color
  • Shape
  • Texture
  • Size
  • Location
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Skin Biopsies: Shave/Snip Properties

3 Listed

A
  • Dermablade, 15 blade, scissors, etc.
  • Obtains epidermis to dermis
  • Does not require suture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Skin Biopsies: Punch

3 Listed

A
  • Various sizes 2-8 mm
  • Obtains epidermis, dermis to fat
  • > 3 mm usually requires a suture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Skin Biopsies: Excisional

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Dermatologic Exam & Description

4 Steps

A

Step 1: What is the primary lesion?

  • Color/Size

Step 2: What are the secondary changes?

Step 3: Configuration/Shape

Step 4: Body Distribution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Identify

A

Macule

Flat < 1 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Identify

A

Papule

Raised < 1 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Identify

A

Vesicle

Clear Fluid Filled < 1 cm

or

Pustule

White fluid-filled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Identify

A

Patch

Flat > 1 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Identify

A

Plaque

Raised > 1 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Identify

A

Nodule

Raised + Deep > 1 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Identify

A

Tumor/Mass

Raised + Deep > 2 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Identify

A

Bulla

Clear Fluid-filled > 1 cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Primary Lesion: Macule

A

a Macule is flat and small < 1 cm

If you can feel it, it is not a macule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are these?

A

Macules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Primary Lesion: Patch

A
  • Patches are flat but larger than macules (> 1 cm)
  • If you can feel it at all, it is NOT a patch
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are these?

A

Patches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Primary Lesion: Papule

A
  • Papules are small, raised lesions (< 1 cm)
  • Caused by a proliferation of cells in epidermis or superficial dermis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are these?

A

Papules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Primary Lesion: Plaque

A
  • Plaques are > 1 cm
  • You can feel them
  • Cast a shadow with side lighting
  • Caused by a proliferation of cell in epidermis or superficial dermis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are these?

A

Plaques

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Primary Lesion: Nodule

A
  • Nodulus = small knot in Latin
  • usually > 1 cm, deep, palpable
  • Caused by a proliferation of cells into the mid-deep dermis or fat
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What are these?

A

Nodules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Primary Lesion: Vesicle & Bulla

A
  • Fluid-filled palpable lesion
  • Vesicles = small (< 1 cm)
  • Bullae = large (> 1 cm)
27
Q

What are these?

A

Vesicles & Bullae

28
Q

Primary Lesion: Pustule

A

Palpable bump filled with white fluid (pus)

29
Q

Erythematous means?

A

Red from inflammation

30
Q

Size description

A
  • Measure
  • minute, small, large 5 mm, 5 cm
31
Q

Texture description

A

smooth, soft, rock-hard

32
Q

Additional Descriptors

9 Listed

A
  • Scale
  • Crust
  • Excoriation
  • Erosion
  • Ulcer
  • Fissure
  • Lichenification
  • Atrophy
  • Scar
33
Q

Secondary Change: Scale

A

Accumulated skin (stratum corneum)

secondary change

34
Q

Secondary Change: Crust

A

Dried exudate: blood, serum, pus

35
Q

Secondary Change: Excoriation

A

Traumatized due to scratching

36
Q

Secondary Change: Erosion

A
  • Depression with loss of epidermis (superficial)
  • Loss of superficial epidermal layer
37
Q

Secondary Change: Ulcer

A

Depression with loss of epidermis and dermis (deeper)

38
Q

Secondary Change: Fissure

A

Linear Cleavage

39
Q

Secondary Change: Lichenification

A

Thickening, accentuated skin lines

40
Q

Secondary Change: Atrophy

A

Depression, thinning & wrinkling

41
Q

Secondary Change: Scar

A

Permanent fibrotic change

42
Q

Secondary descriptors: Vascular/Vasculitic

A
  • Will not blanche with pressure
  • Diascopy
43
Q

Secondary Change: Erosion vs Ulcer

A
44
Q

What is the secondary change?

A

Scale

45
Q

What is the secondary change?

A

Erosion

46
Q

What is the secondary change?

A

Ulceration

47
Q

What is the secondary change?

A

Erosion and Crust

48
Q

What is the secondary change?

A

No secondary change seen

49
Q

Distribution

A

Location(s) on the body

50
Q

Configuration

A

How the lesions are arranged or relate to each other

51
Q

Configuration examples

7 Listed

A
  • Solitary
  • Discrete
  • Annular (ring-like)
  • Confluent
  • Clustered or Grouped
  • Linear
  • Reticulated (net-like)
52
Q

Distribution Terms examples

A

Generalized

Symmetric

Unilateral

Dermatomal

Lines of Blaschko

53
Q

Distribution Patterns Examples

A
  • Acral
  • Truncal
  • Extensor
  • Flexor
  • Follicular
  • Koebnerized
  • Photodistributed
  • Pressure/dependency
54
Q

Complete description

A
55
Q

Complete Description

A
56
Q

What is the primary Lesion?

A
57
Q

What is the secondary change?

A
58
Q

What is the configuration?

A
59
Q

What is the distribution?

A
60
Q

What is the best description?

A
61
Q

What is the best description?

A
62
Q

What is the best description?

A
63
Q

Purpura Description

A
  • Acute to subacute leakage of capillaries or small-larger vessels within the skin
  • usually larger
  • may be palpable
64
Q

Ecchymotic Description

A
  • subacute to chronic hemorrhage within skin
  • Usually larger

MSCT (30 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions