Endoscopic Ultrasonography To Obtain High Quality Images Of The Different Parts Of The Body

Endoscopic ultrasonography is an imaging technique that combines endoscopy and ultrasound in order to obtain images and information about the digestive tract and the surrounding tissue and organs. Endoscopy refers to the procedure of inserting a long flexible tube via the mouth or the rectum to visualize the digestive tract. On the other hand, ultrasound uses high-frequency sound waves to produce images of the organs and structures inside the body such as ovaries, uterus, liver, gallbladder, pancreas, and aorta.

Using Doppler ultrasound, the blood flow inside the blood vessels can be examined. This technique is also used to obtain tissue samples by passing a special needle. This process is called fine needle aspiration (FNA).

This Diagnostic Tool Is Being Used In The Following Situations:

  • Studying bile duct abnormalities including stones in the bile duct or gallbladder, or bile duct, gallbladder, or liver tumors
  • Studying the muscles of the lower rectum and anal canal in evaluating reasons for fecal incontinence
  • Staging of cancers of the esophagus, stomach, pancreas and rectum
  • Staging of lung cancer
  • Evaluating chronic pancreatitis and other masses or cysts of the pancreas
  • Studying 'submucosal lesions' such as nodules or 'bumps' that may be hiding in the intestinal wall covered by normal appearing lining of the intestinal tract
In Endoscopic ultrasonography, a small ultrasound transducer is installed on the tip of the endoscope which is inserted into the upper or the lower digestive tract to obtain high quality ultrasound images of the organs inside the body. This is possible because of the close proximity of the transducer to the organs of interest. The images are more accurate and detailed because the transducer placed at the tip of an endoscope allows the transducer to get close to the organs inside the body.

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