CT or Ultrasound Guided Thoracic/Mediastinal Biopsy Make an Appointment Patient Education Find a Doctor Download Patient Education A CT or Ultrasound Guided Biopsy uses real-time images to ensure biopsy samples are accurately taken from the desired part of the mediastinum. The mediastinum is the area between the lungs in the chest cavity. These biopsy samples are checked for adequacy during the procedure to make sure a diagnostic sample is obtained. Download PDF: CT or Ultrasound Guided Thoracic/Mediastinal Biopsy Download PDF: CT or Ultrasound Guided Thoracic/Mediastinal Biopsy View more information on CT or Ultrasound Guided Thoracic/Mediastinal Biopsy National Jewish Health authors free downloadable patient education materials to provide you and your family the information and tools to help manage your disease. They include Understanding Booklets, Med Facts, Test Facts, Medication handouts and more. Search Free Education Materials