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Pulmonary Tuberculosis IV

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...

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Updated: Jul 16, 2026

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

Published on: July 11, 2015

[Interferon-gamma release assays in tuberculosis diagnostics].

H Hoffmann¹, G Loytved, T Bodmer

¹Arbeitskreis Mykobakterien (AKM),Institut für Mikrobiologie und Labordiagnostik (IML), Asklepios Fachkliniken München-Gauting, Robert-Koch-Allee 2, 82131 Gauting. Harald.Hoffmann@asklepios.com

|March 30, 2007

Summary

Interferon-gamma release assays (IGRA) are now widely used for tuberculosis testing. This statement offers practical recommendations for their use, interpretation, and integration into clinical guidelines.

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Last Updated: Jul 16, 2026

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

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Published on: January 20, 2019

Area of Science:

Clinical diagnostics
Infectious disease management

Background:

CE-certified Interferon-gamma Release Assays (IGRA) for tuberculosis (TB) diagnostics have been available in Germany for two years.
Numerous studies have evaluated IGRA performance, and guidelines have been developed internationally.

Purpose of the Study:

To provide practice-relevant recommendations for the use of IGRA in clinical settings.
To address indications, pre-analytics, and interpretation of IGRA results.
To integrate IGRA into existing tuberculosis management guidelines.

Main Methods:

Review of existing studies and international guidelines on IGRA.
Development of practice-relevant recommendations based on clinical conditions.
Integration of IGRA into established tuberculosis diagnostic and management protocols.

Main Results:

IGRA (QuantiFERON-TB Gold In-Tube and T-SPOT-TB) are established diagnostic tools.
Standardized recommendations for IGRA application and interpretation are crucial due to varying national standards.
IGRA can be effectively integrated into current tuberculosis management strategies.

Conclusions:

This statement provides essential guidance for the appropriate use of IGRA in tuberculosis diagnostics.
Recommendations cover test indications, pre-analytical procedures, and result interpretation.
The integration of IGRA into clinical practice supports standardized tuberculosis management.