Group B Streptococcus Pneumonia

  • Etiology: Infection caused by passage through the birth canal and often associated with early and prolonged rupture of membranes
  • Imaging CXR: Normal lung volumes and prominent fine interstitial markings with or without pleural effusion which does not resolve in 1-2 days
  • DDX: Initially radiographically indistinguishable from transient tachypnea of the newborn which resolves within 24-48 hours
  • Complications:
  • Treatment: Antibiotics
  • Clinical: Group B Streptococcus causes pneumonia at 1 week of life and meningitis at 1 month of life

Radiology Cases of Group B Streptococcus Pneumonia

CXR of Group B streptococcus pneumonia
Initial CXR shows normal lung volumes and fine interstitial infiltrates.
CXR of Group B Streptococcus pneumonia
CXR shows diffuse fine interstitial infiltrates bilaterally.