superficial spreading melanoma


su·per·fi·cial spread·ing mel·a·no·ma

primary cutaneous melanoma characterized by intraepidermal growth extending laterally beyond the site of dermal invasion.

superficial spreading melanoma

Dermatology A melanoma, 70% of which affect Pts from age 30 to 60, especially ♀ in lower legs or trunk, as a flat lesion–radial growth phase that may be present for months to yrs, average 5-yr survival 75% Etiology Recreational suntanning. See Melanoma.