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157 Cards in this Set

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  • Back

ecchymoses

discoloration caused by injury
petechiae
discoloration not caused by injury; smaller than 0.5 cm
purpura
discoloration not caused by injury; larger than 0.5 cm
mercury poisioning
generalized red flush; widespread miliarial rash; doesn't feel well
telangiectases

fine, irregular red lines; little masses of venules; refill erratically

vascular spiders
arterial; refill in organized way
macule
(freckles, flat moles, measles)
papule
(wart, elevated mole)
patch
(vitiligo, port-wine stain)
plaque
(psoriasis, seborrhic and actinic keratoses)
wheal
(insect bites, urticaria, allergic reaction)
nodule
(erythema nodosum, lipoma)
tumor
(neoplasms, lipoma)
vesicle
(varicella, herpes zoster)
bulla
(blister, pemphigus vulgaris)
pustule
(impetigo, acne)
cyst
(sebaceous, acne)
scale
(flaking of skin with dry skin, drug reaction)
lichenfication
(chronic dermatitis)
keloid
irregular-shaped, elevated, progressively enlarging scar
grows beyond boundary of wound; caused by excessive collagen formation
scar
thin to thick fibrous tissue, replaces skin following injury or laceration to dermis
excoriation
(abrasion, scratch, scabies)
fissure
(athlete's foot, cracks at mouth corners)
erosion
(varicella, variola after rupture)
ulcer
(decubiti)
crust
(scab, eczema)
atrophy
(striae, aging)
cutis marmorata
transient mottling (marks with spots or smear of color) when infant is exposed to decreased temperature
erythema toxicum
pink papular rash with vesicles superimposed on thorax, back, butt, abdomen; may appear 24-48 hours and resolves after several days; expected color change in infant
harlequin color change
clearly outlined color change as infant lies on side,
dependent half becomes pink and upper half is pale
mongolian spots
irregular areas of deep blue pigmentation; usually in sacral or gluteal region
telangiectatic nevi (stork bites)
flat deep pink localized areas on back of neck
epidermal verrucous nevi
warty lesions in linear or whorled pattern, pigmented or skin color; associated with skeletal, CNS and ocular abnormalities
cafe au lait patches
flat, evenly pigmented spots varying in color from light brown to black; associated with neurofibromatosis, pulmonary stenosis, temporal lobe dysrhythmia, tuberous sclerosis
supernumerary nipples
associated with renal abnormalities
hair collar sign
ring of long dark coarse hair surrounding midline scalp nodule; associated with neural tube closure defects of scalp
persistent pruritus
may indicated chronic renal failure, cholestatis liver disease, Hodgkin disease, DM
vernix caseosa
whitish, moist, cheese-like substance that covers newborn infants
milia
small whitish, discrete papules on the face, sebacceous glands are immature and become clogged
Dennie-Morgan fold
an extra crease or pleat of skin below the eye due to chronic rubbing and inflammation
molluscum fibrosum
cutaneous tags that are a result of epithelial hyperplasia
skin changes in pregnancy:
striae gravidarum; telangiectasis; hemanigomas; cutaneous tags; increase in pigmentation; chloasma (mask of pregnancy)
itching in pregnancy can occur due to:
stretching of the skin; jaundice; pregnancy-specific dermatosis
expected lesions in the older adult:
cherry angiomas; seborrheic keratoses; sebaceous hyperplasia; cutaneous tags (acrochordon); cutaneous horns; senile lentigines
seborrheic keratoses
pigmented, raised, warty lesions; must be distinguished from actinic keratoses which have the potential to be malignant
senile lentigines
irregular, round, gray-brown lesions with a rough surface; may be called age or liver spots
why does the hair turn gray or white?
melanocytes stop functioning
lentigo
brown macule that appears in sun-exposed areas
corn
flat or slightly elevated; smooth, hard surface; "soft": caused by pressure of bony prominence against softer tissue;"hard": sharply delineated with conical appearance where pressure is exerted
callus
area of hyperkeratosis, not usually tender
eczematous dermatitis
epidermal breakdown due to intracellular vesiculation, has 3 stages: acute: erythematous, pruritic weeping vesicles subacute: erythema and scaling chronic: thick lichenified pruritic plaques
furnicle
acute localized staphylococcal infection; begins as a follicular abscess and spreads to surrounding dermis and subcut tissue, becomes a pustule, may rupture or need surgery
folliculities
staph infection of hair follicle and surrounding dermis, pustule
cellulitis
strep or staph infection of skin and subcut tissue; lymphatic streaks and lymphadenopathy may be present
tinea
noncandidal fungal infection, usually classified according to anatomic location: cruris (groin/thigh), unguium (nails)
pityriasis rosea
self-limiting inflammation of unknown cause, primary round plaque with scaling with eruption weeks later with a distribution along the ribs giving a Christmas tree pattern, not contagious
psoriasis
disease of keratin synthesis, dry silvery scaling papules/plaques
rosacea
chronic inflammatory disorder characterized by telangiectasia, erythema, papules, pustules in central area of the face; tissue hypertrophy of the nose (rhinophyma) may occur, comedomes are never present
drug eruptions
discrete/confluent erythematous maculopapules, pruritus
herpes zoster (shingles)
viral infection usually of a single dermatome, red swollen plaques or vesicles filled with purulent fluid
pain in the dermatome can start days before the rash
herpes simplex
viral infection, tenderness, pain, paresthesia, mild burning
cutaneous anthrax
spore forming bacterium, pruritic macule or papule that enlarges into an ulcer, central necrosis, associated with lymphangitis and lymphadenopathy
smallpox
variola virus, direct transmission by infected saliva, most infectious during 1st week, rash first appears on mouth/pharynx/face/forearms and spreads to trunk and legs; starts as flat red lesions that evolve at same rate then become vesicular, pustular and crust
basal cell carcinoma
most common form of skin cancer, arises in basal layer of epidermis, warning signs include: open sore, reddish patch, shiny nodule, pink growth and scarlike area
squamous cell carcinoma
second most common skin cancer, arises in the epithelium, soft mobile elevated masses with a surface scale, warning signs: wartlike growth, scaly red patch, open sore, elevated growth with a central depression
malignant melanoma
skin cancer that develops from melanocytes
kaposi sarcoma
malignant tumor of endothelium and epithelial layer of skin, soft vascular bluish-purple and painless lesions, macular or papular, opportunistic infection in those with HIV, can have lesions on skin, GI tract, lungs liver lymph nodes bones etc
alopecia areata
hair shaft is poorly formed and breaks off at the skin surface
paronychia
inflammation of the paronychium produces redness swelling and tenderness at the lateral and proximal nail folds, purulent drainage
tinea unguium
fungal infection of the nail, hyperkeratotic debris accumulates in nail plate causing it to turn yellow or white and the nail to separate from the nail bed (onycholysis), nail plate crumbles
subungual hematoma
caused by trauma to the nail plate causing immediate bleeding and pain
leukonychia punctata
white spots on the nail due to minor injury or manipulation of the cuticle
habit-tic deformity
caused by biting or picking the proximal nail fold of the thumb with the index finger, results in horizontal sharp grooving in a band that extends to tip of nail
koilonychia (spoon nails)
central depression of the nail with lateral elevation of the nail plate that produces a concave curvature and spoon appearance, associated with iron deficiency, syphillis, fungal dermatoses and hypothyroidism
beau lines
transverse depressions at the base of the lunulae in all the nails, associated with coronary occlusion, hypercalcemia and skin disease, caused by stress that temporarily interrupts nail formation
white banding (terry nail)
transverse white bands covering the nail except for a narrow zone at the distal tip, associated with cirrhiosis and hypoalbuminemia
psoriasis
pitting, onycholysis, discoloration and subungual thickening, yellow scaly debris accumulates, can cause splinter hemorrhage
warts
epidermal neoplasms caused by viral infection, can occur at nail fold and extend under the nail
digital mucous cysts
contain a clear, jelly like substance and occurs on the dorsal surface of the distal phalanx, longitudinal groove may occur
pruritic urticarial papules and plaques of pregnancy (PUPPP)
benign dermatosis that usually arises in the 3rd trimester of a 1st pregnancy, begins on abdomen and spreads to thighs buttocks and arms, halos of blanching surround the papules, larger bullae don't occur and not periumbilical (herpes)
herpes gestationis
rare autoimmune disorder of pregnancy, not related to the viral infection, initially periumbilical erythematous urticarial patches and plaques, progress to vesicle and blisters, pruritus, can develop necrosis of affected skin and kidney damage
seborrheic dermatitis
chronic recurrent erythematous scaling eruption localized where sebaceous glands are concentrated; craddle cap
miliaria (prickly heat)
irregular red macular rash caused by occlusion of sweat ducts during periods of heat
impetigo
highly contagious staph or strep infection of the epidermis, causes pruritis, burning and regional lymphadenopathy, starts as a macule then changes to a vesicle or bulla, crusts
acne vulgaris
stagnation of sebum and comedo formation in the pilosebaceous follicle with bacterial invasion
reddened patchiness
suggest richer capillary bed, caused by capillary hemangioma, nevus flammeus or vasculosus and telangiectatic nevus
chickenpox
fever mild malaise and pruritic maculopapular skin eruption that becomes vesicular, occurs with several stages of maturity at one time, complications include conjunctival involvement, bacterial infection, viral pneumonia, encephalitis, aseptic meningitis, myelitis, Guillain-Barre, Reye syndrome
measles (rubeola)
prodromal fever, conjunctivitis, coryza and bronchitis followed by a red blotchy rash, Koplik spots on buccal mucosa, macular then maculopapular, complications include infection of resp tract and CNS
german measles (rubella)
mild and febrile, maculopapular rash, starts with fever, coryza, sore throat and cough, macular then papular rash, Forschheimer spots on soft palate, infection during 1st trimester can cause congenital rubella syndrome
trichotillomania
loss of scalp hair caused by physical manipulation, can lead to trichobezoar (lump of hair in stomach after being swallowed)
causes of balding in children:
scalp ringworm
alopecia areata
trichotillomania
abusive hair pulling
bruises
when associated with abuse it occurs over soft tissue
accidental bruises occur over bony prominences
lacerations
those of the frenulum and lips are associated with forceful feeding
can be caused by bite marks
burns
common are stocking and glove distribution indicating placement into a hot water or surface
can be differentiated from accidental by looking for splash marks (spilled hot liquid)
stasis dermatitis
erythematous scaling weeping patches, secondary to edema of chronic peripheral vascular disease
solar keratosis (senile actinic keratoses)
slightly raised erythematous lesion, secondary to chronic sun damage and has malignant potential
morbilliform
maculopapular lesions that become confluent on the face and body
target lesion
pink macules with purple central papules
punctation
central umbilication or dimpling
yellow discoloration of the nail
nail color caused by psoriasis or fungal infection or chronic resp disease
darkening of the nail
nail color caused by antimalarial drug therapy, candidal infection, hyperbilirubinemia and chronic trauma
green-black discoloration of the nail
nail color caused by Pseudomonas infection (no pain) or subungual hematoma (pain)
single blue-black nail
nail color caused by melanoma or bruising/bleeding from trauma
generalized blue nails
nail color caused by cyanosis due to asthma, cardiac disorders or anemia, silver poisioning, med side effect, Wilson disease (inherited)
Longitudinal red or brown streaks
nail abnormalities caused by splinter hemorrhage, may occur with psoriasis of nail matrix or injury to prox nail fold (habit-tic deformity)
Longitudinal white streaks or transverse white bands
systemic disorder cause this nail abnormality
Longitudinal ridges and grooves
expected nail abnormality or caused by lichen planus
Transverse grooves
repeated trauma causes this nail abnormality
Transverse rippling of nail plate
chronic inflammation with chronic paronychia or eczema cause this nail abnormality
Transverse depression at base of lunula
stress temporarily interrupts nail formation causing this nail abnormality
Depression in nail
syphilis, high fevers, peripheral vascular disease, DM can cause this nail abnormality
Pitting
psoriasis causes this nail abnormality
Broadening and flattening
secondary syphilis causes this nail abnormality
halo nevus
this nevus is usually benign, can occur with melanoma
intradermal nevus
this nevus has no indications for removal except cosmetic
junction and compound nevi
these nevi should be removed if exposed to repeated trauma
hairy nevus
this nevus should be removed if changes occur
size of a normal mole
less than 6 mm
macule
flat, circumscribed areas that is a change in the color of the skin, less than 1 cm in diameter
papule
elevated, firm circumscribed area, less than 1 cm in diameter
patch
flat, nonpalpable, irregular-shaped macule greater than 1 cm in diameter
plaque
elevated, firm and rough lesion with flat top surface greater than 1 cm in diameter
wheal
elevated irregular-shaped area of cutaneous edema; solid, transient variable diameter
nodule
elevated firm circumscribed lesion; deeper in dermis than a papules; 1-2 cm in diameter
tumor
elevated and solid lesion; may or may not be clearly demarcated; deeper in dermis; greater than 2 cm in diameter
vesicle
elevated circumscribed superficial, not into dermis; filled with serous fluid, less than 1 cm in diameter
bulla
vesicle greater than 1 cm in diameter
pustule
elevated superficial lesion; similar to a vesicle but filled with purulent fluid
cyst
elevated circumscribed encapsulated lesion; in dermis or subcutaneous layer; filled with liquid or semi-solid material
telangiectasia
find, irregular red lines produced by capillary dilation
scale
heaped-up keratinized cells; flaky skin; irregular; thick or thin; dry oily; variation in size
lichenification
rough thickened epidermis secondary to persistent rubbing, itching or skin irritation; often involves flexor surface of extremity
keloid
irregular shaped elevated progressively enlarging scar; grows beyond the boundaries of the wound; caused by excessive collagen formation during healing
scar
thin to thick fibrous tissue that replaces normal skin following injury or laceration to the dermis
excoriation
loss of the epidermis; linear hollowed-out crusted area
fissure
linear crack or break from epidermis to the dermis; may be moist or dry
erosion
loss of part of the epiermis; depressed moist glistening follows rupture of a vesicle or bulla
ulcer
loss of epidermis and dermis; concave; varies in size
crust
dried serum, blood or purulent exudates; slightly elevated; size varies; brown, red, black, tan or straw colored
atrophy
thinning of skin surface and loss of skin markings; skin translucent and paper-like
faun tail nevus
tuft of hair overlying the spinal column at birth; may be associated with spina bifida occulta
Elephantiasis
massive accumulation of lymphedema throughout body from widespread inflammation and obstruction of lymphatics by filarial worms
Wuchereria bancrofti or Brugia malayi
common filiarial worms that cause elephantiasis
Lymphangioma and cystic hygroma
results of obstruction of developing lymph vessels
Lymphedema
hypoplasia and maldevelopment of lymph system
Milroy disease
primary lymphedema
serum sickness
Urticaria and other rashes, lymphadenopathy, joint pain, fever, facial edema; 7-10 days after provoking substance, can recur
Pneumocystis carinii pneumonia
common opportunistic infection in AIDS
cat scratch disease
Most common cause of subacute or chronic inflammation in kids
roseola infantum (HHV-6)
Fever followed by morbilliform rash; Usually 7-12 mo old
toxoplasmosis
Single enlarged and nontender node; hx of eating raw meat
Epstein-Barr virus (mono)
Sx: pharyngitis, fever, fatigue, malaise, splenomegaly, hepatomegaly, rash; Anterior and posterior cervical are most common affected nodes
Epstein-Barr virus
Virus found in Burkitt lymphoma and nasopharyngeal carcinoma
acute suppurative lymphadenitis
caused most often by strep and staph bacteria
Actinomycotic adenitis
dental disease causing acute suppurative lymphadenitis
Pasteurella multocida infection
cat scratch disease
Virchow node
in L supraclavicular region indicative of abdominal or thoracic malignancy