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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Pulmonary Tuberculosis IV01:26

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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.
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Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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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.
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Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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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
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Mode of...
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Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

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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.
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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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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.
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Related Experiment Video

Updated: Oct 2, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia

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Concomitant COVID-19 and pulmonary tuberculosis: computed tomography aspects.

Alexandre Dias Mançano1, Gláucia Zanetti2, Edson Marchiori2

  • 1RA Radiologia - Grupo Sabin Medicina Diagnóstica, Brasília, DF, Brazil.

Radiologia Brasileira
|February 25, 2022
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Concurrent COVID-19 and pulmonary tuberculosis is rare but detectable on CT scans. Early recognition is crucial as dual infection is associated with higher mortality rates.

Keywords:
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Area of Science:

  • Radiology
  • Infectious Diseases
  • Pulmonology

Background:

  • The COVID-19 pandemic presents diagnostic challenges, particularly in co-infections.
  • Pulmonary tuberculosis (TB) shares some overlapping symptoms and imaging findings with viral pneumonia.

Purpose of the Study:

  • To investigate the relationship between COVID-19 and pulmonary TB.
  • To identify computed tomography (CT) imaging features of patients with both conditions.

Main Methods:

  • Retrospective, cross-sectional observational study.
  • Analysis of chest CT scans from 360 RT-PCR confirmed COVID-19 patients.

Main Results:

  • COVID-19 and TB findings were observed concurrently in 1.1% of patients.
  • Follow-up CT scans showed cavitary lesions with bronchogenic spread or fibrous scarring progression.
  • Mycobacterium tuberculosis isolation confirmed TB diagnosis.

Conclusions:

  • CT findings can suggest concurrent COVID-19 and TB, though rare.
  • Radiologists must consider this co-infection possibility.
  • Simultaneous COVID-19 and TB infection may lead to increased mortality.