Lupus erythematosus–lichen planus overlap syndrome (also known as "Lichen planus–lupus erythematosus overlap syndrome") is a true overlap syndrome with features of both lupus erythematosus and lichen planus, with skin lesions usually large, atropic, hypopigmented, red or pink patches and plaques.

Lichen planus–lupus erythematosus overlap syndrome is a rare variant of lichen planus

Lichen planus

Lichen planus is a chronic mucocutaneous disease that affects the skin, tongue, and oral mucosa. The disease presents itself in the form of papules, lesions, or rashes. Lichen planus does not involve lichens, the fungus/algae symbionts that often grow on tree trunks; the name refers to the dry and...

 characterized by lesions that share features with lupus erythematosus

Lupus erythematosus

Lupus erythematosus is a category for a collection of diseases with similar underlying problems with immunity . Symptoms of these diseases can affect many different body systems, including joints, skin, kidneys, blood cells, heart, and lungs...

. Atrophic plaques and patches with hypopigmentation and a livid red to blue-violet color with telangiectasia

Telangiectasia

Telangiectasias /tɛ.læn.dʒiː'ɛk.teɪ.ʃi:ə/ are small dilated blood vessels near the surface of the skin or mucous membranes, measuring between 0.5 and 1 millimeter in diameter. They can develop anywhere on the body but are commonly seen on the face around the nose, cheeks, and chin...

and minimal scaling are characteristic.