Question 1:
An 85-year-old, healthy, American male has a small, pink papule with peripheral hyperpigmentation on his foot.
Click this image to see the virtual slide.
Figure 1. 4x
Figure 2. 4x
Figure 3. 10x
Figure 4. 10x
Figure 5. 20x
Figure 6. 40x
Figure 7. 10x
What is the best diagnosis?