Benign and premalignant tumours Flashcards
characteristics of Seborrhoeic Keratoses
*Benign, but commonly referred
*Warty growths, “stuck on appearance”
treatment of Seborrhoeic Keratoses
*Generally left untreated, but if troublesome
–Cryotherapy
–Curettage
whats the Sign of Leser-Trelat
*Abrupt onset of widespread seborrhoeic keratosis, particularly in a younger individual
*SKs remain benign but may indicate underlying solid organ malignancy–GI adenocarcinoma
whats a Dermatofibroma
characteristics x2
Benign fibrous nodule
*Firm nodule, tethered to skin but mobile over fat. Pale pink/brown. Often paler in centre.
*Dimple sign positive
whats a lipoma
Benign tumour consisting of fat cells
when is a lipoma concerning- possibly malignant
If tender
whats an angioma
risk of it
treatment
Overgrowth of blood vessels in the skin due to proliferating endothelial cell
–Pregnancy & liver disease
–Excision or laser
whats a Pyogenic Granuloma
treatment
Rapidly enlarging red/raw growth, often at a site of trauma.
–Removed by curettage & cautery
whats Bowen’s Disease
*aka Intraepidermal squamous cell carcinoma
–Full thickness dysplasia, entirely contained within the epidermis, no metastatic potential
*Irregular, scaly erythematous plaque
treatment of bowens
*Cryotherapy
*Curettage
*Photodynamic therapy
*Imiquimod
whats Actinic Keratoses
*Rough scaly patches on sun damaged skin
treatment for Actinic Keratoses x4
–Cryotherapy
–Curettage
-DiclofenacGel
–Imiquimod
whats melanoma in situ
treatment
*Melanoma cells entirely confined to epidermis
*No metastatic potential
*Treated with excision
whats Lentigo Maligna
treatment
*Type of melanoma in situ
*Usually facial
Sun Protection
characteristics of basal cell carcinoma x4
*Slow growing
*Locally invasive
*Rarely metastasise
*Nodular
characteristics of squamous cell carcinomas x4
Faster growing
tender
scaly/crusted or fleshy growths
canulcerate
ABCDE rule of melanoma
*Asymmetry
*Border- undefined
*Colour- multiple
*Diameter- over 7mm
*Evolution
