This technique allows to study the internal systems by performing an ultrasound through the intestinal wall by means of an endoscopy probe provided with an ultrasound device tip, or ultra-thin ultrasound wire placed inside a regular endoscopy probe.

Echoendoscopy allows for diagnostic definition of any lesion in the gastrointestinal wall or in the adjacent structures, enabling the clinician to obtain tissue samples for histology.

Echoendoscopy has several indications: diagnosis and staging of mediastinal, gastric, pancreatic, and rectal, neoplasias, and biopsies of suspected lesions or undefined secondary lesions.

Pancreatic pain therapy through celiac plexus alcoholization is a method that allows percutaneous injection in the celiac plexus of substances that block pain reception, an approach indicated for pancreatic tumors and chronic pancreatitis not responding to medical treatment.

Transgastric and transjejunum aspiration of pancreatic pseudocysts with echoendoscopy guidance.