ALVAREZ MUGICA, M. et al. Primary psoas abscess due to streptococo pneumoniae. []. , 30, 9, pp.943-946. ISSN 0210-4806.

Introduction and objectives: To report to the literature a new case of primary psoas abscess. Methods: The patient is a 65 years old woman who suffered back and left hip pain for approximately 1 month. A CTA showed a retroperitoneal mass that involved the left Psoas. It was drained 1800 cc of purulent fluid infected by Streptococo pneumoniae. Results: In a CTA made 21 days after drainage, showed a very small residual collection. Conclusions: Primary Psoas Abscess are a very rare entity, with a low rate of mortatility if well treated.

: Retroperitoneal mass; Abscess; Psoas muscle; Streptococo pneumoniae.

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