| umls-concept:C1880510 | skos:definition | NCI: The use of endoscopic ultrasound imaging for real-time guidance to identify and approach lesions for fine-needle aspiration.,NCI: A procedure to take a sample of tissue for examination under a microscope. An endoscope with an ultrasound probe and a biopsy needle at the end is inserted through the mouth into the esophagus. An endoscope is a thin, tube-like instrument that has a light and a lens for viewing. The ultrasound probe is used to bounce high-energy sound waves off internal organs and tissues to make a picture on a monitor. This picture helps the doctor see where to place the biopsy needle.,MSH: Conducting a fine needle biopsy with the aid of ENDOSCOPIC ULTRASONOGRAPHY. | lld:umls |
