malignant (but less bad) tumors Flashcards
1
Q
what is kaposi sarcoma?
A
malignant tumor of endothelial cells
2
Q
what are the 4 types of kaposi sarcoma?
which is the most important?
A
- transplant-associated
- european
- african
- AIDS associated - most important
3
Q
what causes AIDS kaposi sarcoma?
A
HHV-8
4
Q
kaposi sarcoma lesions occur in what part of the body?
A
in the skin or mucous membranes
5
Q
how do gross lesions of kaposi sarcoma look like?
A
painful purple or brown, or red lesions
that go from flat to plaque to nodular
6
Q
how do micro lesions of kaposi sarcoma look like?
A
sheets of spindle cells creating slit like vacular channels with areas of micro-hemorrhages and hemosiderin deposits
7
Q
what is this?
A
kaposi sarcoma
8
Q
what is this?
A
purple lesion of kaposi sarcoma
