…Pilonidal abscess, hidradenitis abscess and paronychia with a collection of pus. Persistent painful induration after a few days of antibiotics — suggests that an abscess has…

…always weighs more heavily). A joint prosthesis: the aspiration must be performed by an orthopaedic surgeon under strictly sterile conditions. For corticosteroid injection there is…

…dislocation requiring operative treatment — contact an orthopaedic surgeon before attempting reduction. Posterior shoulder dislocation, which is often associated with fracture and requires an orthopaedic surgeon…

…a major injury proximal to the puncture site. A joint prosthesis or orthopaedic metalwork in the area. A previous intraosseous attempt in the same bone…