Image-Guided Percutaneous Abdominal Mass Biopsy: Technical and Clinical Considerations.

Image-guided percutaneous biopsy of abdominal masses is a safe, minimally invasive procedure with a high diagnostic yield for a variety of pathologic processes. This article describes the basic technique of percutaneous biopsy, including the different modalities available for imaging guidance. Patient selection and preparation for safe performance of the procedure is emphasized, and the periprocedural management of coagulation status as well as basic indications and contraindications of the procedure are briefly discussed. In particular, the role of biopsy in the diagnosis of liver and renal masses is highlighted.