Signout Pearls

Question 1

vertical growth phase melanoma

Answer 1

nest in dermis larger than any epidermal nest or mitosis in the dermis

Question 2

radial growth phase melanoma

Answer 2

pagetoid spread

Question 3

AV malformation

Answer 3

have to look for different thickness of vessel walls, arteries can be subtle

Question 4

AV hemangioma

Answer 4

dont’ always see good veins, focal rather than diffuse