Actinic keratosis typically progresses into which type of skin cancer?
A. Cutaneous T-cell lymphoma
B. Squamous cell carcinoma
C. Merkel cell cancer
D. Sebaceous carcinoma
Correct Answer: B. Squamous cell carcinoma
Actinic keratosis, also known as solar keratosis, is a dry scaly patch found on sun-damaged skin. It is a precancerous form of cutaneous squamous cell carcinoma.
Options A, C, & D: Actinic keratosis is not related to the development of these types of skin cancer.