Tumour terminology Flashcards
What is a macule?
Flat lesion, No elevation or depression
change in colour.
What is a papule?
Raised so it is palpable lesion, less than 5 mm in diameter
What is a nodule?
What is a plaque?
Flat topped lesion
What is a wheal?
Firm oedematous plaque/papule. Pruritic. Dermal oedema
What is a vesicle?
Fluid collection smaller than 5 mm
What is a bulla?
Fluid collection larger than 5mm
What is a pustule?
What is scale?
What is a crust?
Dried serum, blood. Pustule, vesicle, bulla
What is an erosion?
Partial focal loss of epidermis
Heals without scarring
What is an ulcer?
What is this?
Atrophy
What is this?
Lichenification
What is this?
Excoriations
What is this?
Fissure
Vertical loss of epidermis and dermis with sharply defined walls
Crack in the skin
What is this?
Telangiectasia
Small dilated superficial blood vessels that blanch with pressure
What is this?
Burrow
Channel in the superficial epidermis
Typically on wrist, fingerwebs
Secondary to scabies
What is this?
Target lesion
What is this?
Purpura
What is this?
Alopecia
What is this?
Koebnerization
What is this?
Erythroderma
How to describe a rash? Describe the above
SCAM
Site
On this lady’s lower legs are…
Size &Shape
..small circular
Colour
…purpuric
Associated symptoms
…painful, necrotic
Margin & Morphology
Well demarcated papules and plaques
Describe this skin lesion
Site
On this lady’s right cheek
Size &Shape
Oval large
Colour
pigmented, grey brown
Associated symptoms
Mention if itchy/painful
Margin & Morphology
Well demarcated plaque
What is this?
Basal cell carcinoma
What is this?
Melanoma
How to measure melanoma?
MM – Breslow thickness
Measured from the granular layer of the epidermis to the base of the tumour
Reliable indicator of prognosis
What is this?
Squamous cell carcioma
Difference between BCC, SCC, melanoma (rate of growth, clinical features, subtypes, treatment, metastatic potential)