In musculoskeletal (MSK) ultrasound, a foreign body refers to any object that has entered the body from an external source and is lodged within soft tissues, muscles, or joints. Common examples include glass, wood, metal fragments, or even organic materials like thorns. Ultrasound is a crucial imaging modality for detecting and localizing these objects, especially non-radiopaque ones, as it offers real-time visualization and can guide their removal.
Accurate identification of foreign bodies with MSK ultrasound is essential for proper medical management. The technique helps differentiate foreign bodies from other soft tissue abnormalities, assess their size, depth, and relationship to surrounding structures, and minimize complications. For precise diagnosis and effective intervention, a thorough understanding of ultrasound characteristics of various foreign materials is vital for medical professionals.