Skin Flashcards
Define patch
Flat area of altered colour or texture >0.5cm
Define plaque
Palpable scaling raised lesion >0.5cm
Define papule
Solid raised lesion
Define nodule
Solid raised lesion >0.5cm in diameter with a deeper component
Define vesicle
Raised, clear fluid filled lesion
Define bulla
RIsed clear fluid filled lesion >0.5cm
Name 4 types of benign skin lesions
Skin tags
Moles
Cysts
Papillomas
What are fibroepithelial polyps?
Flesh coloured bag like lesions
Where do fibroepithelial polyps occur?
Nick face trunk axilla and groin
Define Naevi
Proliferation of melanocytes (pigment producing cells)
What are two types of sebaceous cyst?
Epidermoid and pilar cyst
Where does seborrhoeic keratosis occur?
Trunk head and neck
What is haemangioma?
Benign vascular tumours of dermis
How does haemangioma present?
As bluesy red patches on skin, usually in children
What is the most common human cancer?
Basal cell carcinoma
Where does basal cell carcinoma usual ally occur?
Sun exposed sites
What are the characteristics of BCC?
Slow growing tumours, rarely metastasize
What is Bowens disease?
Epidermal dysplasia, Precursor to SCC
Where does melanoma arise?
In sun damaged skin
Characteristics of melanoma?
Can be aggressive and spread widely
What does the ABCDE stand for in melanoma
Asymmetry Border - irregular Colour - variable pigmentation in lesion Diameter - mostly >6mm Enlarge
Where does psoriasis occur?
Elbows, knees, scalp, lumbar sacral area and glans penis
What is psoriasis associated with?
Nail changes, arthritis, myopathy, enters patchy and spondylic joint disease
What does psoriasis look like?
Well demarcated salmon pink plaques with silver edges
What causes scabies
Scabies mites
How is scabies spread?
Skin to skin contact
How does meningitis present?
Headache, stiff neck, aching limbs.
Majority have pink prick rash which rapidly develops
Non blanching rash
Define macule
A flat area of altered colour
