Aditya Sanjeevi , Brandon L Clark , Alfredo Aguirre , Basil George Verghese
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Chronic disseminated histoplasmosis in a patient on fingolimod therapy: A case report and review of literature
We present an interesting case of a 65-year-old female patient who was taking fingolimod for relapsing-remitting multiple sclerosis. She presented with a tongue nodule, oral ulcer, and was found to have CD4 lymphocytopenia. HIV serology was negative. Fingolimod is known to cause lymphocyte redistribution to lymph nodes and was deemed to be the cause of CD4 lymphocytopenia in this patient. Further evaluation with excision biopsy of the tongue nodule confirmed histoplasmosis. Treatment with itraconazole resulted in a complete resolution of her lesions.
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