It's just that. See lesion ("wound, injury" ), cutaneous ("relative to the skin", to the skin) ), atrophic ("relative to atrophy, which produces it" ).
ATROPHY SKIN LESION Wound on the skin of a reducing or atrophying nature, either in size and / or number, with the consequent decrease in volume, weight and functional activity caused by the scarcity or delay in the nutritional process.