HTLV-I associated myelopathy / tropical spastic paraparesis: report of the first cases in Rio Grande do Sul, Brazil

Mielopatia associada ao HTLV-I/paraparesia espástica tropical: relato dos primeiros casos no Rio Grande do Sul, Brasil

The HTLV-I associated myelopathy/tropical spastic paraparesis (HAM/TSP), a myelopathy with predominant involvement of the pyramidal tract with minimal sensory loss and associated with HTLV-I infection, endemic in tropical areas, has been identified in four patients in Porto Alegre (RS, Brazil), a temperate zone.

HTLV-1 associated myelopathy; tropical spastic paraparesis; HTLV-I; Rio Grande do Sul (Brazil)