[Horner's syndrome associated with a solitary bone plasmacytoma of the first rib]

A case of solitary plasmacytoma originated in the left first rib in a 45-year-male is presented. The initial symptomatology was a Horner's syndrome. A chest X-ray, gammagraphy, TAC and arteriography showed a tumor shadow in the left chest wall; no evidence of plasmacytoma after clinical study found use where. The treatment was surgical excision and postsurgical radiotherapy. The histological investigation revealed a plasmacytoma of the rib. The patient have been followed for two years. The patient is asymptomatic, without evidence of local recurrence and systemic spread of the disease two years after treatment.