radial growth phase melanoma

radial growth phase melanoma

Nontumorigenic melanoma Dermatology An intraepithelial melanoma not associated with metastasis, characterized by noninvasive radial enlargement Examples Melanoma in situ, lentigo maligna, dysplastic nevi. Cf Vertical growth phase melanoma.
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Kashani-Sabet and his coworkers have shown that radial growth phase melanoma can bypass the vertical growth phase and progress directly to metastasis in a small but clinically meaningful percentage of cases.