Benign Skin Lesions Flashcards
(12 cards)
What is the appearance of seborrhoeic keratoses/
Warty growths, “stuck on appearance”
What other skin lesion is associated with seborrhoeic keratoses?
Cherry angiomas
How are seborrheic keratoses treated?
Curettage or cryotherapy
What are three disadvantages of cryotherapy?
Scarring
No histology
Reoccurrance
What is the sign of leser trelat and what does it indicate?
A sudden onset of multiple seborrhoeic keratoses, particularly in a younger individual. The lesions themselves are benign but they can indicate an underlying GI malignancy (adenocarcinoma).
Name six types of cyst?
Epidermoid cyst (often wrongly called sebaceous) Pilar cyst Steatocystoma Dermoid cyst Hidrocystoma Ganglion cyst
What does a dermatofibroma appear as?
Benign fibrous nodule, often on limbs
Proliferation of fibroblasts
Firm nodule, tethered to skin but mobile over fat. Pale pink/brown. Often paler in centre.
Dimple sign positive
Usually asymptomatic so only treat if concern or symptomatic.
What is the appearance of actinic keratoses?
Rough scaly patches on sun damaged skin. Pre malignant condition that can lead to SCC
How is actinic keratoses managed?
Cryotherapy
Curettage
Diclofenac Gel
Imiquimod
What is Bowen’s disease?
Squamous cell carcinoma in situ
Full thickness dysplasia, entirely contained within the epidermis, no metastatic potential
Potential to become malignant (around 5%)
Irregular, scaly erythematous plaque
What is the management of bowen’s disease/
Cryotherapy
Curettage
Lesion scraped off and heat applied to seal vessels and destroy residual cancer cells
Photodynamic therapy
Imiquimod (get significant inflammation and takes six weeks to work)
What is melanoma in situ?
Melanoma cells entirely confined to epidermis
No metastatic potential
Treated with excision
