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June 1984

Macular Skin Lesion and Monoclonal Lymphoplasmacytoid InfiltratesOccurrence in Primary Waldenström's Macroglobulinemia

Author Affiliations

From the Departments of Dermatology (2°) (Drs Mozzanica and Finzi) and Immunology (Dr Villa), University of Milan, and the National Institute for the Study and Cure of Tumors (Dr Facchetti), Milan, Italy. Dr Mozzanica is now with the Dermatology Clinic, Milan.

Arch Dermatol. 1984;120(6):778-781. doi:10.1001/archderm.1984.01650420088024

• Macular skin lesions and extensive, heavy lymphoplasmacytoid cell infiltrates of the dermis were observed in a patient with primary IgM-κ Waldenström's macroglobulinemia. Direct immunofluorescent microscopy on tissue sections disclosed that the lymphoplasmacytoid cells had a monoclonal IgM-κ origin.

(Arch Dermatol 1984;120:778-781)