Psoas abscess is a rare clinical situation which if not considered, the diagnosis is very difficult It is classified as primary or secondary. Staphylococcus aureus is the most commonly causative pathogen in primary psoas abscess and secondary psoas abscess usually occurs as a result of underlying diseases. The delay of the treatment is related with high morbidity and mortality rates. In this article, 46 years old patient with severe backache having an abscess in the psoas muscle determined by magnetic resonans imaging is discussed.
Keywords: Psoas abscess, low back pain, S. aureus