[Primary actinomycosis of the liver--case report].

The liver is a rare site of actinomycotic abscess localization. A 36-year-old man admitted to the hospital because of pain under the right costal margin with skin hyperemia and edema in that region is presented. Clinical and laboratory examinations disclosed liver actinomycotic abscess. Surgical drainage was done followed by 8 months of antibiotic (penicillin) therapy. Discussed are the difficulties in diagnostic procedure and the lack of consensus in the therapeutic approach.