NCIt definition : An ultrasound administered by using a tube containing flexible fibre optic wires that
allows for the analysis of tissues inside the body. Ultrasound technology utilizes
high frequency waves and their echoes to produce an image. 2005;
Alternative definition : NCI-GLOSS: A procedure in which an endoscope is inserted into the body. An endoscope
is a thin, tube-like instrument that has a light and a lens for viewing. A probe at
the end of the endoscope is used to bounce high-energy sound waves (ultrasound) off
internal organs to make a picture (sonogram).; CDISC: An endoscopic technique using a specialized endoscope that transmits high frequency
sound waves to generate ultrasound images.;
Codes from synonyms : CDR0000046602; CDR0000450759; CDR0000454991;