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The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
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The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

The diagnosis of tuberculosis

Delane Shingadia1

  • 1Department of Infectious Diseases, Great Ormond Street Hospital, Great Ormond Street, London, United Kingdom. shingd@gosh.nhs.uk

The Pediatric Infectious Disease Journal
|February 15, 2012
PubMed

Insights

Diagnosing childhood tuberculosis is challenging due to low bacterial counts and difficulty obtaining sputum. Current methods, including new immune-based assays, show limited improvement for active disease detection, highlighting the need for better diagnostic tools for pediatric tuberculosis.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Microbiology

Background:

  • Childhood tuberculosis represents a substantial global health burden.
  • Pediatric tuberculosis diagnosis is complicated by paucibacillary nature and challenges in sample collection, particularly sputum.

Purpose of the Study:

  • To review current and emerging diagnostic strategies for childhood tuberculosis.
  • To evaluate the utility of newer diagnostic methods, including immune-based assays, in pediatric populations.

Main Methods:

  • Review of traditional diagnostic methods: chest radiography, tuberculin skin testing, and mycobacterial culture.
  • Inclusion of newer bacteriologic, molecular, and immune-based diagnostic approaches.
  • Discussion of advancements in pediatric sample collection techniques.

Main Results:

  • Traditional methods remain foundational but have limitations.
  • Interferon-gamma release assays (IGRAs) show potential for excluding false positives from tuberculin skin tests but do not significantly improve sensitivity for active disease.
  • Newer methods offer incremental improvements but do not fully address diagnostic challenges.

Conclusions:

  • Accurate diagnosis of tuberculosis in children remains a significant clinical challenge.
  • Existing diagnostic tools, including newer immune-based assays, have limitations in sensitivity for active pediatric tuberculosis.
  • Further research and development of novel diagnostic tests are crucial for improving tuberculosis management in children.

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