Related Experiment Video
Updated: Feb 19, 2026

Diagnosing Pulmonary Tuberculosis with the Xpert MTB/RIF Test
Published on: April 9, 2012
Extensively drug resistant tuberculosis in Mali: a case report
Bassirou Diarra1,2, Yacouba Toloba3, Bakary Konate4
1University Clinical Research Center (UCRC)-SEREFO-Laboratory, University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali. bdiarra@icermali.org.
Drug resistant tuberculosis is a significant global health concern. This report details two extensively drug-resistant tuberculosis cases in Mali, emphasizing urgent needs for improved diagnostics and treatment programs.
Area of Science:
- Medicine
- Public Health
- Infectious Diseases
Background:
- Drug-resistant tuberculosis (DR-TB) poses a substantial global public health challenge.
- The increasing prevalence of DR-TB necessitates enhanced surveillance and management strategies.
Purpose of the Study:
- To report the first two cases of extensively drug-resistant tuberculosis (XDR-TB) diagnosed in Bamako, Mali.
- To highlight potential nosocomial transmission and delayed treatment initiation in XDR-TB patients.
Main Methods:
- Case presentation of two patients diagnosed with XDR-TB.
- Genotypic analysis to investigate transmission pathways.
- Review of treatment timelines and diagnostic delays.
Main Results:
- The first documented cases of XDR-TB in Bamako, Mali.
- Evidence suggesting nosocomial transmission and superinfection between patients.
- A significant delay of 10 months between diagnosis and initiation of appropriate treatment.
Conclusions:
- Improved diagnostic and treatment algorithms are crucial for effective DR-TB surveillance in Mali.
- Prioritization of programmatic management of drug-resistant tuberculosis is essential to strengthen national TB control efforts.
- Urgent action is needed to address treatment delays and improve patient outcomes for XDR-TB.
Related Concept Videos
Pulmonary Tuberculosis V
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
Pulmonary Tuberculosis IV
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...
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III
The first classification is based on the development of the disease, and it includes the following categories:

