Endosonography

Endosonography ultrasound (EUS) or echo-endoscopy may be a procedure in which endoscopy (a search for a substance) is combined with ultrasound to obtain images of internal organs of the chest, abdomen and colon. It can be used to visualize the walls of these organs, or to look at adjacent structures. Combined with Doppler imaging, nearby blood vessels can be examined. Endoscopic ultrasonography is widely used in the upper alimentary artery and within the system respiratory. The procedure is performed by gastroenterologists or pulmonologists who have undergone extensive training. In a patient, the procedure feels almost like an endoscopic procedure without an ultrasound, except when an ultrasound-guided biopsy of the deep tissue is performed. For endoscopic ultrasound of the high digestive tract, a search is inserted into the abdominal cavity, stomach, and duodenum during the procedure called esophagogastroduodenoscopy. Among other uses, it allows screening for carcinoma, oesophageal cancer, and gastric cancer, as well as for chronic inflammation of the upper alimentary canal. It also allows for the labelling and drug testing of any lesions that are focused on the surface of the alimentary canal, such as oesophageal tuberculosis. This often done by inserting a needle into the abdominal cavity of the target. Usually this procedure is used to detect abnormalities and much more in the bile duct and pancreatic vessels.

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