Abscess of the PSOAS MUSCLES resulting usually from disease of the lumbar vertebrae, with the pus descending into the muscle sheath. The infection is most commonly tuberculous or staphylococcal.
December 2003,
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology,
A del Arco, and
S Ayuela, and
I Prieto, and
L Romualdo