Related Experiment Video

Updated: Jun 7, 2025

Diagnosing Pulmonary Tuberculosis with the Xpert MTB/RIF Test
08:10

Diagnosing Pulmonary Tuberculosis with the Xpert MTB/RIF Test

Published on: April 9, 2012

80.5K

Granulomatosis With Polyangiitis Misdiagnosed as Tuberculosis: A Case Report

José Diogo Martins1, Catarina Soares2, Cátia Barreiros1

  • 1Internal Medicine, Unidade Local de Saúde do Alto Minho, Viana do Castelo, PRT.

Cureus
|November 19, 2024
PubMed

Insights

Granulomatosis with polyangiitis (GPA) is a rare autoimmune vasculitis affecting the lungs and kidneys. Early diagnosis is crucial, as this case highlights potential misdiagnosis with pulmonary tuberculosis due to similar imaging findings.

Area of Science:

  • Rheumatology
  • Pulmonology
  • Nephrology

Background:

  • Granulomatosis with polyangiitis (GPA), previously Wegener's granulomatosis, is a rare autoimmune disease.
  • Characterized by necrotizing vasculitis affecting small to medium-sized vessels.
  • Primarily impacts the lungs, kidneys, and upper respiratory tract.

Observation:

  • A 48-year-old male presented with respiratory symptoms suggestive of GPA.
  • The patient had primary pulmonary and articular involvement.
  • Imaging revealed cavitary lesions, leading to an initial misdiagnosis of pulmonary tuberculosis.

Findings:

  • The case underscores the diagnostic challenges in GPA, particularly when presenting with pulmonary involvement.
  • Cavitary lung lesions can mimic other conditions like tuberculosis.
  • Timely and accurate diagnosis is essential for effective management.

Implications:

  • Highlights the importance of considering GPA in patients with unexplained respiratory and articular symptoms.
  • Emphasizes the need for comprehensive diagnostic workups to differentiate GPA from infectious diseases.
  • Early intervention in GPA can significantly improve patient outcomes and prevent organ damage.
Keywords:
anca-associated vasculitisgranulomatosis with polyangiitisnecrotizing granulomaspulmonary cavitationrituximab

More Related Videos

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection09:54

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection

Published on: February 16, 2020

5.7K
Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates10:04

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

18.8K

Related Concept Videos

Pulmonary Tuberculosis II01:28

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...
211
Pulmonary Tuberculosis IV01:26

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...
133
Pulmonary Tuberculosis III01:31

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:
305
Pulmonary Tuberculosis V01:28

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...
170
Pulmonary Tuberculosis I01:29

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...
220