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Related Concept Videos

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:
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 progression...
Tuberculosis01:23

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...
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...
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...
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...

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Related Experiment Video

Updated: Jun 8, 2026

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients
03:47

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients

Published on: October 25, 2024

Papulonecrotic tuberculid - relapse after treatment.

N A Madnani1

  • 1Department of Dermatology, P D Hinduja National Hospital and MRC, Mumbai 400 005, India.

Indian Journal of Dermatology, Venereology and Leprology
|October 6, 2010
PubMed
Summary
This summary is machine-generated.

Papulonecrotic tuberculid, a skin manifestation of tuberculosis, can relapse even after multi-drug treatment. This case highlights the importance of long-term monitoring for patients diagnosed with this condition.

Related Experiment Videos

Last Updated: Jun 8, 2026

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients
03:47

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients

Published on: October 25, 2024

Area of Science:

  • Dermatology
  • Infectious Diseases
  • Mycobacteriology

Background:

  • Papulonecrotic tuberculid presents as recurrent skin lesions.
  • Tuberculosis (TB) can manifest in various extrapulmonary forms, including cutaneous involvement.
  • Effective treatment of TB is crucial to prevent disease progression and relapse.

Purpose of the Study:

  • To report a case of papulonecrotic tuberculid in a 44-year-old female.
  • To emphasize the diagnostic criteria and treatment response.
  • To highlight the potential for relapse despite appropriate therapy.

Main Methods:

  • Clinical examination of skin lesions.
  • Laboratory investigations.
  • Histopathological analysis of skin biopsy.
  • Monitoring response to antituberculosis treatment.

Main Results:

  • A diagnosis of papulonecrotic tuberculid was confirmed.
  • The patient showed a positive response to multi-drug antituberculosis therapy.
  • Lesions recurred 10 months after treatment completion.

Conclusions:

  • Papulonecrotic tuberculid requires thorough diagnosis and treatment.
  • Relapse of papulonecrotic tuberculid is possible, necessitating long-term patient follow-up.
  • Early detection and management of relapse are essential for patient outcomes.