Intro to Derm Flashcards
Pruritic
Itchy
Purulent
Pus
What is the term for this coloring?
hypopigmentation
What is the term for this coloring?
depigmentation
What is the term for this coloring?
hyperpigmentation
Color indicators included in skin exam
Hypo/hyperpigmentation
erythema
pallor
cyanosis
jaundice
Erythema
redness
Cyanosis
Pallor
Different ways to describe skin lesion location
intertriginous
extensor vs flexor
waistband, etc
Intertriginous
skin folds
Intertriginous rash
Contact dermatitis
Patterns of skin lesions
linear
cluster
serpiginous
annular
dermatomal
Identify this pattern
annular
Identify this pattern
serpiginous
Identify this pattern
linear
Identify this pattern
Dermatomal
What to palpate in a skin exam
Moisture: dry/oily/moist
Temperature: warm/cool with back of hand
Texture: rough/smooth
Mobility & turgor
What to note on hair inspection
quantity
distribution
texture
descriptive words
scalp condition
What is this an example of
pitting
what is this an example of
clubbing
What is this an example of
Parenychia
What happens in a positive Auspitz sign?
when slight scratching of scaly lesion reveals pinpoit bleeding (ex. psoriasis)
What is the Nikolsky phenomenon?
When the epidermis is dislodged from the dermis by shearing pressure resulting in erosion and a red base (ex Stevens-Johnston syndrome)
What is the Koebner phenomenon?
when a skin lesion appears at the site of an injury or trauma
What can a Woods Lamp help identify?
subtle color changes in melanin pigmentation
Define diascopy
firmly pressing a glass slide against skin to determine if redness is due to capillary dilation (blanching) or extravasation of blood (no blanching)
What can dermoscopy help with
distinguishing between benign and malignant patterns of growth to make the decision to biopsy or not (magnifies 10-30x)
What does acetowhitening do?
lesions turn white with application of vinegar
What does a culture do?
helps identify which organism is present and which antimicrobial will be most effective
What does a KOH examination do
distinguishes fungal infections
What does a Tzanck smear do?
identifies multinucleated cells (HSV)
What does a scabies test entail?
scraping/unroofing a lesion and looking through a microscope to identify mites/ova/feces
Ecchymosis
bruise
Eschar
dead tissue
Fissure
crack
Follicular
involving the hair follicle
What is the term for this lesion
maceration
what is the term for these lesions
nummular
what is the term for this lesion
pedunculated
What is the term for these lesions
petechiae
What is the term for this
Telangiectasias
what is a localized collection of pus/infection surrounded by inflammation
abscess
what is an abscess that is formed by a sweat gland or hair follicle
furuncle
what is a collection of furuncles
carbuncle
what is an abscess involving the nail
paronychia
what is an abscess in the soft tissue of the distal phalynx
felon
what is an abscess on the eyelid called
hordeolum (stye)
what is a chronic abscess of the eyelid in the meibomian glands
chalazion
