RARE MANIFESTATION OF RETROPERITONEAL ACT INOMYCOSIS

Actinomycosis has to be included in the differential diagnosis of retr operitoneal masses especially when surrounding tissue is infiltrated. We present a 40 year old male patient with the rare manifestation of r etroperitoneal actinomycosis. The definitive treatment consisted of su rgical drainage and long-term penicillin therapy resulting in complete healing, Special features in clinical symptomatology and problems con cerning diagnosis of actinomycosis are discussed.