Severe strongyloidiasis complicated by meningitis and hydrocephalus in an HTLV-1 carrier with increased proviral load.

We report a 47-year-old Japanese man who was a human T-cell leukemia virus type 1 (HTLV-1) carrier with strongyloidiasis, and who was born in an area endemic for both Strongyloides stercoralis ( S. stercoralis) and HTLV-1. He presented with edema of both legs.