Related Experiment Video
Updated: Aug 9, 2026

10:04
Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
Experience with tuberculosis in a public teaching hospital
The American Journal of Medicine
|October 1, 1984
Summary
This study reviewed 108 tuberculosis patients, finding nonpulmonary sites in 31%. Delays in diagnosis, often due to human error or lack of awareness, highlight the need for vigilance in all medical settings.
Area of Science:
- Medicine
- Infectious Diseases
- Public Health
Background:
- Active tuberculosis (TB) remains a significant public health concern.
- Understanding the epidemiology and clinical presentation of TB in a hospital setting is crucial for effective management.
- Previous studies have highlighted challenges in TB diagnosis and management, particularly in specific populations.
Purpose of the Study:
- To analyze the demographic characteristics, clinical features, and outcomes of patients with active tuberculosis admitted to a tertiary care hospital.
- To identify factors contributing to diagnostic delays and suboptimal management of tuberculosis cases.
- To assess the prevalence of nonpulmonary tuberculosis and drug resistance patterns.
Main Methods:
- Retrospective review of 108 patients admitted with active tuberculosis over a five-year period.
- Analysis of patient demographics, infection sites, drug resistance, and case-fatality ratios.
- Evaluation of diagnostic and management processes, including identification of delays and contributing factors.
Main Results:
- Patient demographics, case-fatality, and drug resistance were comparable to national data.
- A significant proportion (31%) of cases presented with nonpulmonary tuberculosis, indicating broad clinical involvement.
- A cluster of cases was identified within the state prison system, with diagnostic and management challenges noted in 7 of 12 inmates.
- Unjustified diagnostic delays occurred in 11 patients, often due to human error or insufficient consideration of TB in high-risk individuals.
Conclusions:
- Active tuberculosis requires vigilance across all hospital services due to the potential for nonpulmonary involvement.
- The state prison system presents a unique challenge for TB control, necessitating improved diagnostic and management strategies.
- Reducing diagnostic delays requires enhanced clinical awareness, broader differential diagnoses for high-risk patients, and error reduction.
More Related Videos
Related Concept Videos
Pulmonary 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...
Pulmonary 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...
Pulmonary 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:
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...
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 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...
Tuberculosis
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...

