Lecture 19 Flashcards
Macule
A flat area of altered colour
Patch
A flat area of altered colour >0.5cm
Plaque
Palpable scaling raised lesion >0.5cm
Papule
Solid raised lesion
Nodule
Solid raised lesion >0.5cm with a deeper component
Vesicle
Raised, clear fluid filled lesion
Bulla
Raised, clear fluid filled lesion >0.5cm
Fibroepithelial polyps
Flesh coloured bag like lesion
Common
Middle aged and older people
Naevi
Proliferation of melanocytes
Naevous cells within the:
Dermo-epdermal junction (junctional navei)
Dermo-epidermal junction and dermis (compound navei)
Just in dermis (intradermal naevi)
Sebaceous cyst
Encompasses 2 types of cyst
Epidermoid cyst
Pilar cyst
Haemangioma
Benign vascular tumours of the dermis
Tend to occur in children
Bluey red surface
Basal cell caricinoma
Most common human cancer
Slow growing tumours, rarely metastasise
Occur at sun exposed sites
Bowens Disease
Precursor to SCC
Epidermal dysplasia
Sun damage
Melanoma
Can be aggressive and spread widely
Asymmetry Border- irregular Colour - variable pigment Diameter- mostly >6mm Enlarge