Related Experiment Video
Updated: Jul 31, 2026
08:10
Diagnosing Pulmonary Tuberculosis with the Xpert MTB/RIF Test
Published on: April 9, 2012
Disseminated tuberculosis: still a diagnostic challenge
A E Paull1, M A O'Reilly, P A Stanley
1Infectious Diseases Unit, St Vincent's Hospital, Melbourne, VIC. amalie@mira.net
The Medical Journal of Australia
|June 22, 1999
Summary
Diagnosing disseminated tuberculosis is challenging, especially as cases decline. Prompt treatment is vital for at-risk patients with multisystem illness, even those on immunosuppressive therapy.
Area of Science:
- Infectious Diseases
- Microbiology
- Immunology
Background:
- Decreasing tuberculosis incidence in Australia has led to reduced clinical familiarity with its diverse manifestations.
- Disseminated tuberculosis presents diagnostic challenges due to its varied clinical presentations.
- Risk factors include being born overseas and having a multisystem illness.
Observation:
- Four bacteriologically confirmed cases of disseminated tuberculosis are presented.
- The cases highlight the range of presentations and diagnostic difficulties encountered.
- Immunosuppressive therapy did not invariably lead to rapid deterioration in these cases.
Findings:
- Disseminated tuberculosis requires a high index of suspicion in at-risk individuals presenting with multisystem disease.
- Diagnostic confirmation can be delayed, necessitating clinical judgment.
- Early therapeutic intervention can be life-saving.
Implications:
- Clinicians should consider disseminated tuberculosis in patients with unexplained multisystem illness, particularly those with relevant epidemiological links.
- A pragmatic approach, including a therapeutic trial, may be necessary when diagnostic confirmation is pending.
- Maintaining awareness of rare but serious infections like disseminated tuberculosis is crucial in low-incidence settings.
More Related Videos
10:04Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
10:24Identification of Potential Anti-TB Candidates: A Step-by-Step Guide to Synthesis, MIC Determination, and Cytotoxicity Assessment in Mammalian Cells
Published on: May 22, 2026
Related Concept Videos
01:29Pulmonary Tuberculosis I
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
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...
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...
01:28Pulmonary Tuberculosis II
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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...
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...
01:31Pulmonary Tuberculosis III
Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
The first classification is based on the development of the disease, and it includes the following categories:
01:26Pulmonary 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...
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...
01:28Pulmonary Tuberculosis V
Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
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 progression...
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 progression...
01:23Tuberculosis
Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...