Abstract
Several associations between immunoglobulin E and bone marrow transplantation (BMT) have been reported. A patient whose allergic rhinitis (AR) resolved after allergen immunotherapy (AIT) but recurred after the patient received an autologous BMT is reported. Allergy skin tests were performed before AIT began and after 4 years of therapy. Skin tests were repeated after a recurrence of symptoms 6 years later after an autologous BMT for breast cancer. Six years of AIT led to a near complete resolution of AR symptoms. Skin tests showed a marked reduction in reactivity to allergens in the AIT. After an additional 6-year symptom-free interval off AIT, symptoms returned after the BMT. Repeat skin tests showed a marked increase in reactivity. Patients reconstituting their immune systems after autologous BMT may have a recurrence of AR previously suppressed with AIT.
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