Squamous Cell Carcinomas on the Vermilion Border of the Lips

Multiple Choice

Squamous cell carcinomas on the vermilion border of the lips and skin of the face are

A) associated with lack of exposure to the sun and vitamin D deficiency.
B) more common in individuals with dark skin.
C) associated with a poorer prognosis than that for squamous cell carcinoma of the oral mucosa.
D) associated with color changes of the vermilion border from dark pink and uniform to mottled grayish pink.