Skin Flashcards
What are the functions of skin?
- protective barrier
- temperature
- sensation
- vit D
- apperance
What are the 3 main layers if skin?
Epidermis
Dermis
Subcutaneous Tissues
What is a MACULE?
a flat area of altered colour
What is a PATCH?
a flat area of altered colour >0.5cm
What is a PLAQUE?
Palpable scaling raised lesion >0.5cm in diam
What is PAPULE?
Solid raised lesion
What is a NODULE?
Solid raised lesion >0.5 in diam with a deeper comp.
What is a VESICLE?
raised, clear filled lesion
What is a BULLA?
raised clear fluid filled lesion >0.5 in diam
What are examples of benign lesions?
skin tags
moles
cysts
papillomas
What is another name for ‘skin tags’?
Fibroepithelial Polyps
What is a skin tag?
flesh coloured bag like lesion
in neck, trunk, face, Axilla and groin
very common, especially in middle age
What is another name for a mole?
Navi
What happens overtime to a mole?
Mole becomes nested in dermis
What are 2 types of cyst?
Epidermoid
Pilar
What is a cyst?
dervived from invagination of epithelium
Characteristics of seborrheic keratosis?
Middle aged & older people likely to get.
Arises spontaneously, and is related to sun exposure.
Found on trunk, head, neck.
Harmless.
Treatment of leaving alone, or freezing
What is Haemangioma?
Very common, and occur in children.
-Blood vessels rise- create a red boil surface
What are 4 MALIGNANT lesions?
Bascal Cell Carcinoma
Squamous Cell Carinoma
Bowens Disease
Melonoma
What is Basal Cell Carcinoma?
Most common human cancer.
Slow growing, and occurs in sun exposed sites.
What is Bowens disease?
Precusor
Due to sundamage, grows slowly.
rare under 30.
What is squamous cell carcinoma?
2nd most common skin tumour of sun exposed sites
What is Melanoma?
Very common, sun damage, aggressive & spreads widely
What tool can be used to recognise Melanoma?
A - asymmetrical B - border C - colour D - diameter E - enlarge
