[Psoas abscess caused by Salmonella enteritidis: presentation of a case].

The psoas abscess is an entity of infrequent occurrence in daily clinical practice. Many pathogens have been related with the genesis of this focal infections, but it can be said nowadays that the Staphylococcus aureus is more often involved in them. We present the case of a male aged 26, with a culture of purulent drained material, where Salmonella enteritidis, a microorganism of exceptional presentation in this pathology, was isolde. Moreover, some hypothesis have been proposed about the possible physiopathology and the current state of the diagnostic and therapeutic techniques in these processes is revised.