Sclerosing lymphangitis , also known as lymphangiosclerosis or sclerotic lymphangitis, is a skin condition characterized by a cordlike structure encircling the coronal sulcus of the penis, or running the length of the shaft, that has been attributed to trauma during vigorous sexual play.:43 Sclerosing lymphangitis , also known as lymphangiosclerosis or sclerotic lymphangitis, is a skin condition characterized by a cordlike structure encircling the coronal sulcus of the penis, or running the length of the shaft, that has been attributed to trauma during vigorous sexual play.:43 Nonvenereal sclerosing lymphangitis is a rare penile lesion consisting of a minimally tender, indurated cord involving the coronal sulcus and occasionally adjacent distal penile skin. The condition involvie the hardening of a lymph vessel connected to a vein in the penis. It can look like a thick cord and can feel like a hardened, almost calcified or fibrous, vein. It tends to not share the common blue tint with a vein however. It can be felt as a hardened lump or 'Vein' even when the penis is flaccid, and is even more prominent during an erection.