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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...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
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 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...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
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...

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Related Experiment Video

Updated: May 17, 2026

Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
07:06

Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique

Published on: May 23, 2021

Tuberculous mastoiditis.

A R Joshi1, M A Lawande, S I Shaikh

  • 1Radiology Department of Lokmanya Tilak Municipal General Hospital & Medical College, Mumbai.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 3, 2012
PubMed
Summary
This summary is machine-generated.

Tuberculous mastoiditis is a rare cause of ear infections and facial palsy in children. Multislice CT imaging effectively revealed the disease

Keywords:
MastoidMultislice CTTuberculosis

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Intradermal Inoculation of Mycobacterium avium in the Mouse Ear
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Area of Science:

  • Otolaryngology
  • Pediatric Infectious Diseases
  • Radiology

Background:

  • Intractable otorrhea and facial palsy in children can indicate rare underlying conditions.
  • Tuberculous mastoiditis is an uncommon but serious diagnosis.
  • Conventional treatments may fail in complex cases.

Purpose of the Study:

  • To report a rare case of tuberculous mastoiditis presenting with facial palsy.
  • To highlight the diagnostic utility of high-resolution computed tomography (HRCT) in evaluating middle and inner ear involvement.
  • To emphasize the importance of considering tuberculosis in endemic areas.

Main Methods:

  • A 14-month-old child with persistent otorrhea and sudden facial palsy was evaluated.
  • High-resolution computed tomography (HRCT) of the temporal bone was performed.
  • Diagnosis was confirmed via histopathological examination.

Main Results:

  • HRCT demonstrated intricate involvement of middle and inner ear structures.
  • A rare diagnosis of tuberculous mastoiditis was established.
  • Histopathology confirmed tuberculous mastoiditis.

Conclusions:

  • Tuberculous mastoiditis should be considered in pediatric cases of intractable otorrhea and facial palsy.
  • Multislice CT is crucial for assessing the extent of disease in the temporal bone.
  • Early and accurate diagnosis is vital for appropriate management.