Which may indicate a malignant melanoma in a nevus on a patient's arm?
a. Even coloring of the mole
b. Decrease in size of the mole
c. Irregular border of the mole
d. Symmetry of the mole
ANS: C
Any change in color, size, or texture and any bleeding or pruritus of a nevus deserves investigation. A malignant melanoma is a cancerous neoplasm in which pigment cells or melanocytes invade the epidermis, dermis, and sometimes the subcutaneous tissue.
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