Malignant melanoma Flashcards
If any skin lesions has any of these features, […] for malignant melanoma
Asymmetry
Border […] (melanoma often has a ‘scalloped’ border)
[…] variation (a variegated lesion is one that consists of many colours)
Diameter >[…]
[…] over time
Dermatologist will assess lesion using […]. If they suspect it to be a melanoma, an […] biopsy will be carried out.
2ww
irregularity
Colour
6mm
Evolves
Dermatoscope
excisional
‘ugly duckling sign’
can be used to identify malignant lesions- any lesion that stands out from the rest should be suspected.
Classification of melanoma (in order of incidence)
A […] […] […] is the commonest type and usually grows horizontally first, although later grows vertically.
A nodular melanoma grows rapidly in the […] plane and is the most […] form of melanoma.
A lentigo maligna melanoma arises from a lentigo maligna, which is a form of melanoma-[…]-[…].
An acral lentiginous melanoma occurs on the […]/[…] and under the […].
superficial spreading melanoma
vertical, aggressive
in-situ
palms/soles, nails
Classification of melanoma (in order of incidence)
A […] […] […] is the commonest type and usually grows horizontally first, although later grows vertically.
A nodular melanoma grows rapidly in the […] plane and is the most […] form of melanoma.
A lentigo maligna melanoma arises from a lentigo maligna, which is a form of melanoma-[…]-[…].
An acral lentiginous melanoma occurs on the […]/[…] and under the […].
superficial spreading melanoma
vertical, aggressive
in-situ
palms/soles, nails
If the Breslow thickness is >[…] a […] […] […] should be carried out,
1mm
sentinel node biopsy
Management based on staging
A wider excision margin may be taken around the lesion to ensure the cancer has been removed:
Stage 0 = […]cm
Stage I = 1cm
Stage II = {[…]cm
Stage III and IV are […] , so adjuvant immunotherapy or chemotherapy is given.
0.5
2
metastatic