Endoscopic ultrasound: diagnostic and therapeutic applications.

  • Norton I
  • Jones D
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Abstract

Endoscopic ultrasound (EUS) comprises several techniques of performing high-frequency ultrasound via an endoscope placed in the gastrointestinal tract (oesophagus, stomach, duodenum and pancreaticobiliary tree and rectum). It has rapidly become an important tool in the investigation of a variety of lumenal disorders as well as locoregional staging of gastrointestinal malignancies. Needle biopsy of peri-intestinal structures, such as lymph nodes and pancreatic masses, can also be performed under real-time ultrasound control. To date, the utilization of this technology in Australia has been limited by cost constraints and a paucity of training opportunities. EUS continues to be a rapidly growing area in clinical gastroenterology. Recent studies continue to define its role, particularly in the loco-regional staging of a variety of malignancies. In addition, new instruments permit tissue sampling and a variety of therapeutic manoeuvres under direct ultrasound guidance.33; 26-32)

Author-supplied keywords

  • Biopsy
  • Biopsy: methods
  • Digestive System Neoplasms
  • Digestive System Neoplasms: pathology
  • Digestive System Neoplasms: therapy
  • Digestive System Neoplasms: ultrasonography
  • Endoscopes
  • Endosonography
  • Endosonography: adverse effects
  • Endosonography: methods
  • Humans
  • Lymph Nodes
  • Lymph Nodes: ultrasonography
  • Lymphatic Metastasis
  • cancer staging
  • endoscopic ultrasound
  • fine-needle aspiration biopsy

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Authors

  • I D Norton

  • D B Jones

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