Terminology Flashcards
Macule
circumscribed, flat discoloration
Patch
circumscribed, flat discoloration > 0.5cm
Papule
domed, raised lesion
Pustule
domed, papule containing pus
Nodule
domed, raised lesion >0.5cm
Plaque
raised, flat-topped lesion >0.5cm
Vesicle
papule containing fluid
Bulla
nodule containing fluid >0.5cm
Wheal
edematous, transient plaque
What are secondary findings caused by?
External forces such as scratching, trauma, infection, or changes caused by healing
Scale
thickening of the stratum corneum
What is hyperkeratotic scale?
thick, white scale
Crust
dried endogenous material on the skin
Erosion
loss of the epidermis
Ulcer
loss of epidermis and dermis
Excoriation
linear erosion from scratching
Fissure
linear ulceration
Lichenification
thickening of skin with accentuation of skin markings due to chronic scratching or rubbing
Atrophy
thinning of epidermis, dermis, and/or subcutaneous fat
Purpura
lesions caused by extravastaed red blood cells
purpura petechiae
pinpoint red-brown macules
Purpura Ecchymosis
Bruise
Palpable Purpura
most commonly caused by vasculitis
Annular
round or ovoid with central clearing
Targetoid
resembling a bull’s eye
Blaschkoid
whorled pattern following the lines of epidermal migration
Keobnerized
development of linear lesions following trauma classically occurs in psoriasis and lichen planus
Reticulate
net-like reflecting underling vasculature
Photodistributed
face, V of neck, hands and forearms
Seborrheic
scalp, brows, glabella, alae, sternal chest, groin, axillae
Fluctuant
suggests underlying fluid
Burrow
wavy tunnel in the epidermis due to Scabies infestation
Verrucous
wart-like
