New Questions from Week 1, 2, and 3 Flashcards
1
Q
What is the pathogenesis of Simple Lentigo
A
Increase Melanocytes (not melanin or melanosomes)
2
Q
What is the pathogenesis of Solar Lentigo
A
Increased Melanin (not melanocytes or melanosomes)
3
Q
What causes the Mongolian spots?
A
Melanocytes trapped in the dermis during migration from the neural crest to epidermis
4
Q
In Halo Nevus, what is the reason for the white ring? Also, is it malignant or benign?
A
T-cell reaction against the melanocytes, it is considered benign.
5
Q
What is the hallmark of nodular melanoma
A
Rapid Growth
6
Q
Where do malignant come from? which cells and what layer?
A
Originate in the pigment producing melanocytes in the basal layer of the epidermis
