When assessing a lesion diagnosed as malignant melanoma, the nurse in charge most likely expects to note which of the following?
A. An irregular shaped lesion
B. A small papule with a dry, rough scale
C. A firm, nodular lesion topped with crust
D. A pearly papule with a central crater and a waxy border
Correct Answer: A. An irregular shaped lesion
Melanoma is an irregularly shaped pigmented papule or plaque with a red-, white-, or blue-toned color.
Option B: Actinic keratosis, a premalignant lesion, appears as a small macule or papule with a dry, rough, adherent yellow or brown scale.
Option C: Squamous cell carcinoma is a firm, nodular lesion topped with a crust or a central area of ulceration.
Option D: Basal cell carcinoma appears as a pearly papule with a central crater and rolled waxy border.
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