PAEA Surgery End Of Rotation (EOR) Practice Exam

What feature is commonly observed in superficial spreading melanoma?

1. Homogeneous coloration

2. Variability in color

3. Completely raised appearance

4. Smooth texture

The correct answer is: Variability in color

Superficial spreading melanoma is characterized by variability in color, which is a hallmark feature observed in this type of skin cancer. This variation can include shades of brown, black, tan, and even areas of pink or red, reflecting the heterogeneous nature of the tumor as it evolves. This multifaceted coloration arises from differing amounts of melanin produced by the malignant cells and can also indicate the presence of ulceration or changes within the melanoma. While other factors such as texture and elevation can be seen in melanomas, superficial spreading melanoma typically lacks a completely raised appearance and may have a relatively flat component, particularly in its early stages. The options that suggest a homogeneous coloration or a smooth texture do not align with the typical manifestations of this melanoma subtype, as these traits suggest a more uniform and benign-appearing lesion, which is not indicative of the aggressive nature of superficial spreading melanoma. Therefore, variability in color is critical for diagnosis and points to the tumor's biological complexity and progression.