Aspiration biopsy is a medical term used to describe the process of extracting a sample of tissue or fluid from a particular part of the body for analysis. There are various synonyms that are commonly used in medical parlance to refer to this procedure. Some of the most commonly used synonyms for aspiration biopsy include needle biopsy, fine-needle aspiration biopsy, core biopsy, and vacuum-assisted biopsy. Each of these terms refers to a slightly different approach or technique used to obtain the tissue or fluid sample needed for analysis. Regardless of the specific terminology used, aspiration biopsy procedures are widely used for diagnostic purposes and can help physicians identify a range of medical conditions.