Impetigo neonatorum associated with late onset group B streptococcal meningitis

Ananya Guha1, Michael Eisenhut, Paul Shears

  • 1Royal Liverpool Childrens NHS Trust, Alder Hey, Eaton Road, Liverpool L12 2AP, UK.

Insights

A 12-day-old infant developed late-onset group B streptococcal meningitis alongside nonbullous impetigo neonatorum. Both conditions successfully resolved with antibiotic treatment, marking the first reported instance of meningitis during this skin infection.

Area of Science:

  • Neonatal medicine
  • Infectious diseases
  • Dermatology

Background:

  • Group B Streptococcus (GBS) is a common cause of neonatal infections.
  • Impetigo neonatorum is a superficial bacterial skin infection in newborns.
  • Late-onset GBS disease typically presents after the first week of life.

Observation:

  • A 12-day-old infant presented with nonbullous impetigo neonatorum.
  • The infant subsequently developed symptoms consistent with meningitis.
  • Cultures confirmed the presence of group B Streptococcus in both skin lesions and cerebrospinal fluid.

Findings:

  • This case represents the first documented instance of meningitis occurring concurrently with nonbullous impetigo neonatorum.
  • Both the skin infection and the meningitis were effectively treated with appropriate antibiotic therapy.
  • The infant experienced a full recovery without long-term sequelae.

Implications:

  • This case highlights a potential, previously unreported association between nonbullous impetigo neonatorum and late-onset GBS meningitis.
  • Early recognition and prompt antibiotic treatment are crucial for managing both conditions in neonates.
  • Further research may be warranted to explore the potential link and underlying mechanisms between these neonatal conditions.

Related Concept Videos

Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Rocky Mountain Spotted Fever01:26

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Streptococcal Pharyngitis01:27

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...
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...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...