Discoid Lupus Erythematosus, also known as DLE, is a chronic autoimmune disease that affects the skin. It produces red, scaly lesions on the face, scalp, and other areas exposed to sunlight. DLE is a form of lupus, which is a condition that causes the immune system to attack healthy tissues and organs. Some synonyms for DLE include cutaneous lupus erythematosus, chronic cutaneous lupus erythematosus, and lupus erythematosus tumidus. These words are used interchangeably with DLE in medical literature. The treatment of DLE consists of topical and systemic therapies, which aim to suppress the immune system and reduce inflammation. If left untreated, DLE can lead to disfiguring scars and permanent hair loss.