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Endoscopic ultrasonography.

G Caletti1, P Fusaroli

  • 1Dept. of Internal Medicine and Gastroenterology, S. Orsola Hospital, Bologna, Italy. caletti@med.unibo.it

Endoscopy
|March 29, 2001
PubMed
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Endoscopic ultrasonography (EUS) remains underutilized despite its proven accuracy in diagnosing various cancers and masses. Further efforts are needed to increase its clinical adoption and integrate new techniques.

Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Oncology

Background:

  • Endoscopic ultrasonography (EUS) has been available for two decades.
  • Numerous studies continue to be published annually, highlighting its evolving role.

Purpose of the Study:

  • To review the current applications and challenges of EUS.
  • To assess the impact of new EUS techniques and identify barriers to its widespread clinical use.

Main Methods:

  • Literature review of recent publications on EUS.
  • Analysis of established and emerging EUS indications, including cancer staging and tumor sampling.
  • Evaluation of comparative accuracy and cost-effectiveness against other imaging modalities.

Main Results:

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  • EUS demonstrates high accuracy in staging gastrointestinal and pancreatic cancers, diagnosing submucosal tumors, and sampling mediastinal and liver lesions via fine-needle aspiration.
  • EUS shows improved accuracy and cost-effectiveness compared to other imaging techniques for lymph node and perivisceral mass diagnosis.
  • Pancreatic and ampullary tumors remain challenging; new techniques like radiofrequency ablation show promise, while 3D imaging and contrast enhancement are not yet routine.

Conclusions:

  • Despite its benefits, EUS is underused by general practitioners, specialists, and even gastroenterologists.
  • Significant efforts are required to promote wider acceptance and integration of EUS into routine clinical practice.