Describing Lesions Flashcards
What is a lesion
Any single area of altered skin.
May be solitary or multiple
What is an eruption
Widespread eruption of lesions
What is pruritus
Medical term for itch
What is erythema
Redness of the skin or mucous membranes causes by hyperemia
What does dermatitis mean in general
Inflammation of the skin
What is a macule
flat area of altered skin colour
includes freckles!
What is a patch
Large, flat area of altered colour
Usually smooth
What is a papule
Raised lesion of <0.5cm in diameter
What is a nodule
Raised lesion of >0.5cm in diameter
What is a plaque
Palpable scaling lesion >0.5cm
What is a vesicle
Raised, clear fluid- filled lesion <0.5cm
What is a bulla
raised , fluid filled lesion >0.5cm
What is a pustule
a purulent (i.e filled with neutrophils) vesicle
What is an abscess
localised collection of pus surrounded by damaged/inflammed tissue
What is a comedone
plugged follicular orifice - pore
Open comedone: blackhead
Closed comedones: whiteheads