Endosonography
| Definition: |
Ultrasonography of internal organs using an ultrasound transducer sometimes mounted on a fiberoptic endoscope. In endosonography the transducer converts electronic signals into acoustic pulses or continuous waves and acts also as a receiver to detect reflected pulses from within the organ. An audiovisual-electronic interface converts the detected or processed echo signals, which pass through the electronics of the instrument, into a form that the technologist can evaluate. The procedure should not be confused with ENDOSCOPY which employs a special instrument called an endoscope. The "endo-" of endosonography refers to the examination of tissue within hollow organs, with reference to the usual ultrasonography procedure which is performed externally or transcutaneously. |
| Notes: |
ultrasonogr of hollow organs: endo- = within, not with endoscopy; coord IM with organ or dis /ultrasonogr; do not index under ENDOSCOPY or specific endoscopic technique unless also discussed in article; DF: ENDOSONOGR |
| Also Called: |
Ultrasonography, Endoscopic |
| Previously Indexed: |
Endoscopy (1984-1996),Ultrasonics (1983-1984),Ultrasonography (1984-1996),specific endoscopic technique (1984-1996) |
Endosonography Definitions and Terms
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