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  • Title: Lupus band test.
    Author: Monroe EW.
    Journal: Arch Dermatol; 1977 Jun; 113(6):830-4. PubMed ID: 326195.
    Abstract:
    The lupus band test (LBT) is a direct immunofluorescent technique for demonstrating a band of localized immunoglobulins at the dermal-epidermal junction in the skin of patients with lupus erythematosus (LE). Studies have shown immunoglobulins and complement at the dermal-epidermal junction in systemic (involved and uninvolved skin) and in discoid (involved skin only) LE. It is essential that the appropriate skin site be selected for biopsy; ie, involved or uninvolved skin, light-exposed or light-protected skin. The proper location of the biopsy site is determined by whether the LBT is intended for diagnostic or prognostic purposes. From a diagnostic standpoint, the LBT is a very sensitive and specific test for LE. In addition, this procedure has considerable value as a prognostic test for a patient with an established diagnosis of LE.
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