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January 1978

Lupus Band Test

Author Affiliations

Bethesda, Md

Arch Dermatol. 1978;114(1):126. doi:10.1001/archderm.1978.01640130084032

To the Editor.—  In his recent review of the lupus band test (LBT), Monroe1 stated, "The value of the LBT as a diagnostic tool is well established." Later in the article, he stressed the specificity of this same test for lupus erythematosus when confronted with a patient who had a connective tissue disease with a positive antinuclear antibody (ANA). While I would agree that the LBT should always be included in the diagnostic armamentarium for connective tissue disorders like systemic lupus erythematosus, it is not specific for this disease. Baldassare et al2 were able to show deposits of IgM in the dermal-epidermal junction zone in eight of 16 patients who were thought to have either definite or classic rheumatoid arthritis. At the time the biopsy specimen was taken from the volar aspect of the right forearm, the rheumatoid factor was positive in 11 of these same 16 patients.The

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