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March 1993

Plaquelike Cutaneous Lupus Mucinosis

Author Affiliations

Department of Dermatology Keio University School of Medicine 35 Shinanomachi Shinjuku Tokyo 160, Japan

Arch Dermatol. 1993;129(3):383-384. doi:10.1001/archderm.1993.01680240129026

To the Editor.—  The concept of nodular cutaneous mucinosis with lupus erythematosus (LE) has been proposed as a distinct variant of cutaneous LE because of its specific clinical features and the histologic evidence of mucin deposition.1-5 Recently, we examined two patients with systemic LE (SLE) in whom large indurated plaquelike lesions developed that measured 10 to 20 cm in diameter on the trunk. These lesions also had a histologically abundant mucin deposition throughout the dermis. The characteristic large plaquelike skin lesions reported here should be classified as a new clinical variant of cutaneous LE.

Report of Cases.—Case 1.—  A 60-year-old Japanese man with nephrotic syndrome associated with SLE was referred to our department with a large plaquelike skin lesion with a hard cutaneous induration about 10 to 20 cm in diameter on his lower back (Fig 1). The onset of the lesion was unknown and was not preceded by

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