Introduction to Dermatology Flashcards
Primary Lesions
• They represent the ‘_________ ’ of diseases
• They occur on previously ________ skin
family
healthy
The main primary lesions are
• Macule = a ________________ of the skin;_____ <1cm> = ________
• Papule= a __________________ lesion <1cm> = ___________
• Vesicle = – _____________ space in the ________ <1cm> = _________
change in colour ; flat; Patch
raised, palpable; Plaque
fluid-filled ; epidermis; Bulla
Primary lesions
•Wheal : _______________________ that is _______/________
• Nodule/_________ :_________ lesion ________ in the skin
• Pustule;__________ ; __________ – ______ filled space
• Cyst -______-like _______ with an epithelial lining. Contains _______ or _______
oedematous papule or plaque; transient/fleeting
Tumour ; Raised; deeper
Furuncle; Abscess; pus
sac; nodule; fluid or debris
Pus is made up of ________ and __________
leucocytes
liquor puris
Secondary Lesions
• These are changes ___________ on the ____________
• May be due to manipulations from the exterior or evolution of the initial
lesions
superimposed; primary skin lesions
Secondary lesions
They include:
➢Crusts – adherent, _________,_____, or _________ on the skin
➢Erosions – loss of the _________
➢Ulceration –breach (loss) in the _________ and ____________
➢Scale - excess accumulation of ‘___________’ which are fragments of ___________
➢Fissures –______ in the _________
dried serum, exudate or blood
epidermis
epidermis; part of the dermis
dead skin; stratum corneum
crack; epidermis
Secondary lesions
➢Atrophy - _________ of the epidermis
➢Lichenification – _________ of the epidermis with accentuation of ________
➢Scar/keloid – permanent ______ changes due to damage extending to the ________
thinning
thickening; skin lines
fibrotic; dermis
Keloids extend beyond the borders of injury
T/F
T
Secondary lesions
➢Excoriation – loss of epidermal integrity due to ____________
➢Erythema – ________ redness of the skin due to ____________
scratching
blanchable; vascular dilatation
Shapes and Distributions
• Lesion shapes:
➢____________ – ring like
➢ ___________ – shaped like an arc
➢ ___________/ Nummular/___________- all describe coin-shaped lesions
➢Figurate/___________ – lots of ring-like shapes
➢ ___________ – in a web or net-like pattern
➢ ___________- indented in the centre
➢ ___________ – lesions with a bulls-eye or multiple rings of varying colours
Annular
➢Arcuate
➢Discoid/round
➢/Polycyclic
➢Reticulate
➢Umbilicated
➢Targetoid
Distribution
• _________ – just one lesion on any part of the body
• _________ – lesions are separate from each other; even if multiple
• _________ – lesions are in groups or bunched up together but not running into one another
• _________ – lesions are multiple and merge into one another
• _________ – lesions are in a particular area
• _________ – lesions are found over the entire body
• Solitary
• Discrete
• Clustered
• Coalescing
• Localised
• Generalised
Other bedside examination tools
• Hand lens –for ______________
• Dermoscope – to ______________ of lesions in the skin (and appendages)
image accentuation
increase magnification
Bedside examination tools
• Wood’s lamp – _______; Erythrasma; _______________
• Glass slide- _____________
Vitiligo; Pityriasis versicolor
Diascopy
