Related Experiment Video
Updated: Aug 27, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
Published on: April 7, 2015
Streptococcus pneumoniae empyema necessitatis
Alexandra F Freeman1, Tamar Ben-Ami, Stanford T Shulman
1Department of Pediatrics, The Feinberg School of Medicine, Northwestern University, Children's Memorial Hospital, Chicago, IL, USA.
Abstract:
Empyema necessitatis is a rare complication of empyema characterized by extension of suppuration from the pleural space through the chest wall. The most common etiologies are tuberculosis and actinomycosis. We describe a 1-year-old boy with Streptococcus pneumoniae empyema necessitatis and review previously reported cases.
Insights
Empyema necessitatis is a rare chest wall complication of empyema. This case highlights Streptococcus pneumoniae as a cause, differing from common etiologies like tuberculosis.
Area of Science:
- Medicine
- Infectious Diseases
- Pediatrics
Background:
- Empyema necessitatis is a rare condition where empyema (pus in the pleural space) extends through the chest wall.
- Common causes include tuberculosis and actinomycosis, often seen in adults.
- Pediatric cases are less common and etiologies can vary.
Observation:
- A 1-year-old boy presented with symptoms suggestive of empyema necessitatis.
- Diagnostic imaging confirmed the extension of infection from the pleural space.
- Cultures identified Streptococcus pneumoniae as the causative pathogen.
Findings:
- This case represents a rare pediatric instance of empyema necessitatis.
- Streptococcus pneumoniae was identified as the etiological agent, which is an uncommon cause.
- A review of existing literature on empyema necessitatis was conducted.
Implications:
- Highlights Streptococcus pneumoniae as a potential cause of empyema necessitatis in children.
- Underscores the importance of considering diverse pathogens in pediatric empyema.
- Contributes to the understanding of rare infectious disease presentations in pediatric populations.
Related Concept Videos
Pneumonia I: Introduction
Pneumonia I: Introduction
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia III: Complications and Assessment
Atypical Pneumonia
Pneumonia IV: Management
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
Pneumonia II: Pathophysiology

