What HTLV-1 ASSOCIATED MYELOPATHY means: HTLV-1 Associated Myelopathy - For several decades the term "tropical spastic paraparesis" (TSP) has been used to describe a chronic and progressive disease of the nervous system that affects adults living in equatorial areas of the world and causes progressive weakness, stiff muscles, muscle spasms, sensory disturbance, and sphincter dysfunction. The cause of TSP was obscure until the mid-1980s, when an important association was established between the human retrovirus - human T-cell lymphotrophic virus type 1 (also known as HTLV-1) - and TSP. TSP is now called HTLV-1 associated myelopathy/ tropical spastic paraparesis or HAM/TSP. The HTLV-1 retrovirus is thought to cause at least 80 percent of the cases of HAM/TSP by impairing the immune system.
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- Definition Hereditary Neuropathies:
- Dictionary Neuropathies - Hereditary neuropathies are a group of inherited disorders of the peripheral nervous system. Within the group there are 4 subcategories of disorders, including hereditary motor and htlv-1 associated myelopathy meaning.
