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[4199 biopsies from the endoscopic normal lower duodenum].

S Walker1, U Rühl

  • 1Innere Medizin I, Krankenhaus Bietigheim, Bietighein-Bissingen. walker.innere1@kh-bietigheim.de

Zeitschrift Fur Gastroenterologie
|January 24, 2003
PubMed
Summary

Lower duodenal biopsies (LDB) during upper endoscopy (EGD) are valuable for diagnosing conditions like sprue and Giardia infections. However, LDBs can often be omitted in asymptomatic patients without specific symptoms, improving diagnostic efficiency.

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Area of Science:

  • Gastroenterology
  • Pathology
  • Endoscopy

Background:

  • Lower duodenal biopsies (LDB) are not routinely obtained during every upper gastrointestinal endoscopy (EGD).
  • Assessing the diagnostic yield of LDBs from endoscopically normal lower duodenum is crucial for quality assurance and optimizing clinical practice.

Purpose of the Study:

  • To evaluate the diagnostic value of lower duodenal biopsies (LDB) taken during oesophago-gastro-duodenoscopy (EGD).
  • To determine the rate of clinically relevant findings from LDBs in patients with normal endoscopic appearance and identify criteria for selective biopsy.

Main Methods:

  • A retrospective analysis of 9,955 EGDs performed between 1996 and 2000.
  • Review of 4,199 lower duodenal biopsies (LDB) for pathological histology, focusing on findings in asymptomatic patients.

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Main Results:

  • 15.9% of LDBs revealed pathological histology, including non-specific inflammation (537 cases) and lymphangiectasia (30 cases).
  • Indigenous sprue was diagnosed in 6 cases, and Giardia lamblia in 22 patients.
  • 18 clinically relevant first diagnoses were made from LDBs in asymptomatic patients, requiring 233 biopsies for one relevant diagnosis.

Conclusions:

  • Lower duodenal biopsies can be omitted during EGD in patients without symptoms such as diarrhea, weight loss, anemia, or specific gastrointestinal complaints.
  • Selective use of LDBs can enhance diagnostic efficiency and resource allocation in gastroenterology practice.