Melanoma Flashcards
1
Q
what do you see on biopsy
A
lesion has melanocytes grouped in nests
2
Q
what is prev. of melanoma
A
increasing
- most common Ca among young women
3
Q
etiology of melanoma
A
prolonged UVA and UVB
4
Q
risk factors
A
- age
- fair skin
- greater than 50 nevi
- atypical nevi
- immunospuression
- personal Hx
- UV exposure - especially young burns
- genetics
5
Q
4 main types of melanoma
A
- superficial spreading
- nodular
- lentigo maligna
- acral lentiginous
6
Q
what is super fical spreading
A
most common
- back in men , legs and back in women
- growth horszontal
7
Q
what is nodular type
A
rapid growth
- growth is vertial
8
Q
what is lentigo maligna
A
- on chronically sundamaged skin
- slow progression
9
Q
what is acral lentiginous
A
more common in people with dark skin
- diagnosis often delayed and therefore worse
10
Q
what is amelanotic type
A
variable, but may be missing pigment
11
Q
what is ABCDE
A
Assymetry - shape or color Border - irregular or notched Color - very dark or varigated Diameter - >6mm Evolution
12
Q
what is key prognosic factor
A
breslows thickness