Injection Site Sterile Abscess: Pathophysiology and Clinical Care
1. Introduction An injection site sterile abscess is a localized, walled fluid collection of necrotic tissue and inflammatory cells that develops without the presence of replicating bacterial pathogens. This structural mass forms when a concentrated chemical irritant or an unabsorbed pharmaceutical depot provokes severe localized tissue death and subsequent immune encapsulation. Unlike an infectious abscess … Read more