Human T cell lymphotropic virus type 1 (HTLV-1) infection is a risk factor for Strongyloides stercoralis infection. HTLV-1 also predisposes to the development of T cell malignancies. We report a case of a patient with severe, treatment resistant Strongyloides infection and HTLV-1 infection who progressed to develop an advanced high grade T cell lymphoma of the intestine.