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Cat-scratch bacillus and Streptococcus pneumoniae causing submandibular suppurative adenitis and acute
1Department of Pediatrics, Meir General Hospital, Sapir Medical Center, Kfar Saba, Israel.
Summary
Acute postinfectious glomerulonephritis can follow cervical adenitis. This study details two rare cases, one linked to Streptococcus pneumoniae and another to cat-scratch disease, highlighting uncommon causes of this kidney inflammation.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Immunology
Background:
- Acute cervical adenitis is common in children.
- Acute postinfectious glomerulonephritis (APIGN) can arise after adenitis.
- APIGN presents with distinct clinical and histological features.
Observation:
- Two rare cases of APIGN are presented.
- Case 1: APIGN associated with Streptococcus pneumoniae (type 15) infection.
- Case 2: APIGN associated with cat-scratch disease (Bartonella henselae).
Findings:
- S. pneumoniae type 15 identified in lymph node cultures in Case 1.
- Cat-scratch bacillus (Bartonella henselae) identified via silver stain in Case 2.
- Demonstrates diverse microbial triggers for APIGN.
Implications:
- Expands understanding of APIGN etiology in pediatric populations.
- Highlights the importance of considering less common pathogens in APIGN.
- Informs differential diagnosis and diagnostic workup for pediatric glomerulonephritis.