Flashcards in Non-melanom skin cancer Deck (9)
Sudden eruption of many seborrhoeic keratoses
(malignant acanthosis nigricans)
Type of cyst seen in seborrhoeic keratosis?
Horn cysts can be seen in seborrhoeic keratosis
Squamous cell carcinoma precursors
Bowens disease (red patches, more often females, especially legs)
Actinic keratosis (from sun)
Viral lesions (especially ano-genital skin)
Erythroplasia of Queryat - what is this and what is it associated with?
Associated with HPV
Chronic lupus vulgaris can give rise to which type of cancer?
Squamous carcinoma of the skin
Commonest clinical setting of squamous carcinoma of the skin and other associations?
COMMONEST CLINICAL SETTING:
elderly, sun exposed sites (face, ears, dorsal hands)
chronic leg ulcers e.g. stasis ulcers
sites of burns; sinuses e.g chronic osteomyelitis
chronic lupus vulgaris
xeroderma pigmentosum; dystrophic variant epidermolysis bullosa
Specific sites of squamous cell carcinoma that have a poorer prognosis?
Ear, nose, scalp
Primary small cell neuroendocrine carcinoma of the skin
Merkel cell carcinoma