Pathology of Pigmented Lesions Flashcards
Where do melanoblasts migrate to (3)
Skin
Ureal tract
Leptomeninges
What is another name for a freckle
Ephilis
What are actinic lentigenes
Age or liver spots due to longstanding UV exposure
What are melanocytic naevi
Broad range lesions on children
What disease causes children to have more naevi
Immunosuppressed leukemia
Describe dysplastic naevi
Bigger lesions with varying pigment and border asymmetry
What does macule mean
Non bumpy
6 things that hint a melanoma may be present
Change in shape Irregular pigmentation New pigmented lesions developing in adulthood Ulceration Bleeding Development of satellite nodules
Name the 4 main types of melanoma
Superficial spreading
Acral/mucosal lentiginous
Lentigo maligna
Nodular
Describe superficial spreading melanoma
Most common and mainly occurs on the legs and trunk
Describe acral/mucosal melanoma
In the acral and/or mucosal region
Describe lentigo maligna melanoma
From sun damage to face/neck/scalp
Describe nodular melanoma
Varying sites but often on trunk
