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Related Concept Videos

Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
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:
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Secondary Lymphoid Organs01:15

Secondary Lymphoid Organs

Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...

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Related Experiment Video

Updated: Jun 20, 2026

Murine Mesenteric Lymphadenectomy for Selective Disruption of Lymphatic Communication with Region-Specific Gut
07:27

Murine Mesenteric Lymphadenectomy for Selective Disruption of Lymphatic Communication with Region-Specific Gut

Published on: December 30, 2025

Suppurative lymphadenitis.

Iain P Fraser1

  • 1Clinical Pharmacology, Merck Research Laboratories, 126 East Lincoln Avenue, RY34-A500, Rahway, NJ 07065, USA. iain_fraser@merck.com

Current Infectious Disease Reports
|August 25, 2009
PubMed
Summary
This summary is machine-generated.

Suppurative lymphadenitis, a common soft tissue infection, is often caused by Staphylococcus aureus or Streptococcus pyogenes. Treatment shifts due to antibiotic resistance, requiring reassessment if initial therapy fails.

Related Experiment Videos

Last Updated: Jun 20, 2026

Murine Mesenteric Lymphadenectomy for Selective Disruption of Lymphatic Communication with Region-Specific Gut
07:27

Murine Mesenteric Lymphadenectomy for Selective Disruption of Lymphatic Communication with Region-Specific Gut

Published on: December 30, 2025

Area of Science:

  • Infectious Diseases
  • Microbiology

Background:

  • Suppurative lymphadenitis is a frequent soft tissue infection.
  • Commonly caused by Staphylococcus aureus and Streptococcus pyogenes.
  • Antibiotic resistance, particularly methicillin-resistant S. aureus (MRSA), impacts treatment.

Purpose of the Study:

  • To review the etiology and management of suppurative lymphadenitis.
  • To highlight the challenges posed by antibiotic resistance.
  • To emphasize the importance of diagnostic re-evaluation for non-responsive cases.

Main Methods:

  • Literature review of suppurative lymphadenitis.
  • Analysis of causative organisms and resistance patterns.
  • Discussion of clinical presentation and diagnostic approaches.

Main Results:

  • Staphylococcus aureus and Streptococcus pyogenes are primary pathogens.
  • Local antibiotic resistance patterns are crucial for empiric therapy selection.
  • Alternative diagnoses and surgical intervention may be needed for treatment failures.

Conclusions:

  • Empiric antibiotic therapy is effective in early stages.
  • Adjusting antibiotic choice based on local resistance is essential.
  • Failure to respond necessitates re-evaluation for surgical or alternative microbiologic diagnoses.