…injection has gone to the right place — immediate pain relief is a diagnostic finding — and appears to reduce the risk of a post injection flare…

…first. Procedure Choice of insertion site The left lower quadrant is the first choice : the abdominal wall is thinner there than on the right, and…

… cellulitis instead gives a diffuse oedematous picture without a demarcated fluid collection. Ultrasound also shows the depth of the cavity and its distance to vessels…