December 2, 2015 - Malignant Skin Disease

Question 1

Squamous Cell Carcinoma in-Situ

Answer 1

Also known as Bowen’s disease

Important to distinguish from actinic keratosis, superficial BCC, and inflammatory lesions.

Treatment is excision.

Question 2

Acral Lentiginous Melanoma

Answer 2

Melanoma occuriring exclusively on the sole of the foot or palm or in the vicinity of the nail apparatus.

Most common melanoma of dark-skinned patients.

Not related to sun exposure.

Question 3

Keratoacanthoma

Answer 3

A common low-grade skin tumour that is believed to originate from the neck of the hair follicle. This is unlikely to metastasize.