Definitions - Primary Lesions/Rashes Flashcards
What is a macule?
Flat area of altered colour
eg freckle

What is a papule?
Solid raised lesion under 0.5cm

What is a nodule?
Solid raised lesion over 0.5cm

What is a patch?
Large area of flat altered skin

What is a plaque?
Palpalble, scaly, raised lesion - like it has been stuck on

What is a vesicle
Small blister
Raised clear fluid filled lesion less than 0.5cm

What is a bulla?
large blister
Raised clear fluid filled lesion more than 0.5cm

What is a pustule?
Blister flled with pus

What is an abscess?
A localised accumulation of pus in the dermis or subcutaneous tissue

What is an ulcer?
An involuted lesion with the loss of dermis or epidermis

What is skin crust?
Rough surface containing of serum, blood, bacteria. eg - impetigo

What is a comedone?
Plug in sebaceous follicle
Open - blackhead
Closed - whitehead
