Lichen planus: A common skin disease with small itchy pink or purple spots on the arms or legs.The lesions (abnormal areas) on the skin in lichen planus are typically polygonal, flat (hence, the term planus), and pruritic (itchy). Occurs characteristically on the wrists, shins, lower back and genitalia. Involvement of the scalp may lead to hair loss.
Lipoma: A benign fatty tumor.
Lisfranc's amputation - amputation of the foot between the metatarsus and tarsus.
Livedo reticularis: A mottled purplish discoloration of the skin. Livedo reticularis can be a normal condition that is simply more obvious when a person is exposed to the cold. Livedo reticularis can also be an indicator of impaired circulation.
Lymphangitis - Inflammation of the lymph vessels. Any red streaking of the skin around the wound may indicate an infection in the system that drains fluid from the tissues, called the lymph system. This infection (lymphangitis) can be serious, especially if it is accompanied by a fever. Prompt medical care should be sought if streaking redness from a wound is noticed.