A member asked:

What causes a melanoma to start out as nodular as opposed to superficial? i know one is radial and one is vertical.want to know why they start difft.

3 doctors weighed in across 2 answers

Unclear!: The answer to your question is unknown. It is simply one variation of melanoma, there are many others>

Answered 7/21/2014

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Dr. Travis Kidner answered

Specializes in Surgical Oncology

In the genes: The growth pattern of melanomas depends on the genetic mutation that lead to its development. Some mutations lead to a more aggressive form of melanoma.

Answered 9/23/2014

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