Fingertip and fingernail (toenail) erythema

Fingertip and fingernail (toenail) erythema are clinical symptoms of lupus erythematosus. Lupus erythematosus is one of autoimmune diseases and belongs to the scope of connective tissue disease. Lupus erythematosus is divided into discoid lupus erythematosus (DLE), systemic lupus erythematosus (SLE), subacute cutaneous lupus erythematosus, and deep lupus erythematosus. The onset of lupus erythematosus is slow, the insidious attack occurs, and the clinical manifestations are diverse and varied.

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