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Difference between revisions of "Malignant melanoma"
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→DDx
m (→Microscopic) |
(→DDx) |
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*Lymphoma. | *Lymphoma. | ||
*Other [[melanocytic lesions]]. | *Other [[melanocytic lesions]]. | ||
===Metastatic vs. primary=== | |||
Primary lesions have: | |||
*Epidermal involvement. | |||
Metastatic lesions have: | |||
*Tumour angiotropism (tumours cells cluster around vessels). | |||
*Intravascular invasion. | |||
Note: | |||
*Histology is '''not definitive''' for metastatic melanoma vs. primary melanoma; epidermal involvement may be seen in mets. | |||
**History/clinical is important for differentiation. | |||
===Breslow thickness=== | ===Breslow thickness=== | ||