Introduction to Clinical Dermatology Flashcards
Define “Lesion”
An area of altered skin
Define “Rash”
An eruption of skin
Define “Pruritus”
Also known as itching
Define “Purpura”
Red / purple colour (due to bleeding of skin) which does not blanch on pressure
Atopy is a triad of..?
Asthma
Allergic rhinitis
Eczema
Define the “Koebner phenomenon”
Appearance of skin lesions on lines of trauma
When examining a mole, what four things should be considered? ABCD
A: Asymmetry
B: Border (Irregular)
C: Colour (two or more colours in lesion)
D: Diameter > 6mm
Define “Macule”
An area of skin discoloration, not elevated usually
Define “Papule”
Solid elevation of skin with no visible fluid
Define “Pustule”
Solid elevation of skin with pustule fluid
Define “Cyst”
Closed sac-like or capsule structures that may be filled with material
Define “Comedone”
A clogged hair follicle (pore) in the skin
Define “Desquamation”
Skin shedding / peeling
Define “Lichenification”
Thick leathery skin due to constant itching and rubbing
Define “Blister”
Large blister with serious fluid
Increased melanin pigmentation is known as..?
Melasma
Give 3 examples of inflammatory dermatoses
Acne vulgaris
Atopic eczema
Psoriasis
Define “Vesicle”
Small fluid filled blister less than 0.5 cm in diameter
Psoriasis is characterised by plaques on what surfaces, flexor or extensor?
Extensor surfaces
Eczema typically affects what surfaces, flexor or extensor?
Flexor surfaces
What two bacteria commonly cause skin infections?
Staphylococci
Streptococci
Define “Wart”
Skin tumour arising froma virus
Skin cancers can be divided into two groups: What are they?
Non-melanoma (basal cell carcinoma or squamous cell carcinoma)
Melanoma (malignant melanoma)
Of all three skin cancers, which is the most serious?
Malignant melanoma
