Human T cell leukemia virus type I-associated myelopathy in a patient withsystemic lupus erythematosus

A case of human T cell leukemia virus type I (HTLV-1) associated myelopathy (HAM)/tropical spastic paraparesis (TSP) with 14-year history of systemic lupus erythematosus (SLE) is reported. For 9 years, the numbness of the fee t and sacral region progressed with occasional urinary incontinence and con stipation. She was admitted to hospital due to gait disturbance and aggrava tion of SLE and the diagnosis of HAM/TSP was confirmed, indicating that HTL V-1 infection is associated with the development of not only HAM/TSP but al so SLE.