[Native psoas abcess in children. Case study at paediatric surgery department of university teaching hospital of Yopougon, Félix Houphouet Boigny university Côte d'Ivoire (Abidjan)].

: The authors report on a psoas abscess case whose diagnostic has been facilitated by the use of abdominal echography. The result has been successful due to the combination of antibiotherapy and echo-guided puncture.