Skin Flashcards
is seen in arterial insufficiency, decreased blood supply, and anemia. Pallid tones vary from pale to ashen without underlying pink.
Pallor
may cause white skin to appear blue-tinged, especially in the perioral, nail bed, and conjunctival areas. Dark skin may appear blue, dull, and lifeless in the same areas.
cyanosis
results from a cardiopulmonary problem. It affects areas such as the lips and tongue
central cyanosis
may be a local problem resulting from vasoconstriction. It affects the areas such as the hand, feet and nails.
peripheral cyanosis
in light- and darkskinned people is characterized by yellow skin tones, from pale to pumpkin, particularly in the sclera, oral mucosa, palms, and soles.
jaundice
is roughening and darkening of skin in localized areas, especially the posterior neck
acanthosis nigricans
is seen in inflammation, allergic reactions, or trauma.
erythema
refers to how easily the skin can be pinched.
mobility
refers to the skin’s elasticity and how quickly the skin returns to its original shape after being pinched.
turgor
Pustules with hair loss in patches are seen in
tinea capitis
may result from infections of the scalp, discoid or systemic lupus erythematosus, and some types of chemotherapy.
patchy hair loss
is a characteristic of Cushing’s disease and results from an imbalance of adrenal hormones or it may be a side effect of steroids
hirsutism
may be present with iron deficiency anemia in nails
spoon nails (concave)
is also common in psoriasis (nails)
Pitted nails
indicates local infection.
paronychia
flat, small macules of pigment that appear following sun exposure.
freckles
depigmentation of the skin.
vitiligo
sometimes called stretch marks
striae
a warty or crusty pigmented lesion.
seborrheic keratosis
a flat or raised tan/ brownish marking up to 6 mm wide.
mole or nevus
raised papule with a depressed center.
cutaneous tag
small raised spots (1–5 mm wide) typically seen with aging.
cherry angiomas
Intact skin with nonblanchable redness of a localized area usually over a bony prominence. Darkly pigmented skin may not have visible blanching; its color may differ from the surrounding area.
What stage of pressure ulcer?
Stage 1
Partial thickness loss of dermis presenting as a shallow open ulcer with a red-pink wound bed, without slough. May also present as an intact or open/ruptured, serumf illed blister.
What stage of pressure ulcer?
Stage 2
Full-thickness tissue loss. Subcutaneous fat may be visible but bone, tendon, or muscle is not exposed.
What stage of pressure ulcer?
Stage 3
Full-thickness tissue loss with exposed bone, tendon, or muscle. Slough or eschar may be present on some parts of the wound bed.
What stage of pressure ulcer?
Stage 4
are less than 1 cm with a circumscribed border
macules
are greater than 1 cm, and may have an irregular border
patches
example of macule?
cherry angioma
example of patches?
vitiligo
Elevated, palpable, solid mass.
Papule and Plaque
have a circumscribed border and are less than 0.5 cm
papules
are greater than 0.5 cm and may be coalesced papules with a flat top.
plaque
example of papule?
wart
example of plaque?
seborrheic keratosis
Example papules include?
1.
2.
3.
elevated nevi
warts
lichen planus
Example of plaques
1.
2.
psoriasis
actinic keratosis
Elevated, solid, palpable mass that extends deeper into dermis than a papule.
nodule and tumor
are 0.5–2 cm and circumscribed
nodules
are greater than 1–2 cm and do not always have sharp borders
tumors
examples of nodules
1.
2.
3.
4.
5.
- keloid
- lipoma
- squamous cell carcinoma
- poorly absorbed injection
- dermatofibroma
examples of tumors
1.
2.
larger lipoma
carcinoma
Circumscribed elevated, palpable mass containing serous f luid.
vesicle and bulla
are less than 0.5 cm containing serous fluid
vesicles
are greater than 0.5 cm with serous fluid
bullas
examples of vesicles are
1.
2.
3.
4.
- herpes simplex or zoster
- varicella or chickenpox
- poison ivy
- second degree burn
Example of bulla
1.
2.
3.
4.
5.
- pemphigus
- contact dermatitis
- large burn blisters
- poison ivy
- bullous impetigo
Elevated mass with transient borders that is often irregular. Size and color vary. Caused by movement of serous fluid into the dermis; it does not contain free fluid in a cavity.
wheal
example of wheal
1.
2.
urticaria
insect bites
Pus-filled vesicle or bulla.
pustule
examples of pustule
1.
2.
3.
4.
- acne
- impetigo
- furuncles
- carbuncles
Encapsulated fluid-filled or semisolid mass that is located in the subcutaneous tissue or dermis.
cyst
examples of cyst
1.
2.
sebaceous cyst
epidermoid cyst
Loss of superficial epidermis that does not extend to the dermis. It is a depressed, moist area.
erosion
example of erosion
aphthous ulcer
Skin loss extending past epidermis, with necrotic tissue loss. Bleeding and scarring are possible.
ulcer
Skin mark left after healing of wound or lesion that represents replacement by connective tissue of the injured tissue.
scar or cicatrix
Linear crack in the skin that may extend to the dermis and may be painful.
fissure
example of fissure
tinea pedis
Round red or purple macule that is 1–2 mm in size. It is secondary to blood extravasation and associated with bleeding tendencies or emboli to skin.
petechia or petechiae
Round or irregular macular lesion that is larger than petechial lesion. The color varies and changes: black, yellow, and green hues. It is secondary to blood extravasation and associated with trauma and bleeding tendencies.
ecchymosis
A localized collection of blood creating an elevated ecchymosis. It is associated with trauma.
hematoma
Papular and round, red or purple lesion found on the trunk or extremities. It may blanch with pressure. It is a normal age-related skin alteration and usually not clinically significant.
cherry angioma
Red arteriole lesion with a central body with radiating branches.
spider angioma
It is associated with liver disease, pregnancy, and vitamin B deficiency.
spider angioma
Bluish or red lesion with varying shape (spider-like or linear) found on the legs and anterior chest
telangiectasis or venous star
Straight line, as in a scratch or streak.
what configuration?
linear
Circular lesions. An example is tinea corporis.
what configuration?
annular
Lesions grouped together. An example is herpes simplex.
clustered configuration
Individual and distinct lesions. An example is multiple nevi.
discrete
Coin-shaped lesions. An example is nummular eczema.
what configuration?
nummular configuration
Smaller lesions run together to form larger lesion. An example is tinea versicolor.
what configuration?
confluent configuration
Parallel ridges running lengthwise. May be seen in the elderly and some young people with no known etiology.
longitudinal ridging or beaus lines
Nails that are half white on the upper proximal half and pink on the distal half. May be seen in chronic renal disease
half and half nails
Seen with psoriasis.
pitting nails
may be seen with trauma to cuticles or nail folds or in iron deficiency anemia, endocrine or cardiac disease
koilonychia or spoon nails (concave)
Local infection in the nails
paronychia
can result from longstanding hypoxia and lung cancer.
clubbing
can be caused by Candida a/bicans, bacteria, and repeated exposure of the nails 1to moisture
paronychia
is caused by trauma to the digit and nail, leading to haen1orrhtage into the matrix and nail bed.
subungual haematoma