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Nonketotic hyperglycinemia: novel mutation in the aminomethyl transferase gene. Case report
Pinar Gencpinar1, Dilek Çavuşoğlu2, Ömer Özbeyler3
1Department of Pediatric Neurology, Tepecik Training of Research Hospital, Izmir, Turkey. nodundar@gmail.com.
Abstract:
Panton-Valentine leukocidin (PVL) is an exotoxin that is produced by many strains of Staphylococcus aureus, and an important virulence factor. A PVL-positive S. aureus infection leads to rapid and severe infections of soft tissue and necrotizing pneumonia in healthy adolescents, and has a high mortality. This case report included a 12-year-old male patient who admitted for fever, respiratory distress and hip pain and was identified with necrotizing pneumonia with septic pulmonary embolism, psoas abscess, cellulitis and osteomyelitis. The PVL positive methicillin-sensitive S. aureus (MSSA) was isolated in the patient blood culture.
Insights
Panton-Valentine leukocidin (PVL) from Staphylococcus aureus caused severe necrotizing pneumonia and multiple abscesses in a healthy adolescent. This case highlights PVL-associated infections in young individuals.
Area of Science:
- Infectious Diseases
- Microbiology
- Toxicology
Background:
- Panton-Valentine leukocidin (PVL) is a key virulence factor produced by Staphylococcus aureus.
- PVL contributes to severe soft tissue and necrotizing pneumonia, particularly in healthy adolescents.
- Staphylococcus aureus infections can have high mortality rates.
Observation:
- A 12-year-old male presented with fever, respiratory distress, and hip pain.
- The patient was diagnosed with necrotizing pneumonia, septic pulmonary embolism, psoas abscess, cellulitis, and osteomyelitis.
- PVL-positive methicillin-sensitive S. aureus (MSSA) was identified in the patient's blood culture.
Findings:
- The case demonstrates a severe, multi-site infection caused by PVL-positive MSSA.
- The patient experienced rapid progression of symptoms and complications.
- The infection involved necrotizing pneumonia and extensive abscess formation.
Implications:
- This case underscores the aggressive nature of PVL-producing S. aureus infections in adolescents.
- Early recognition and aggressive management are crucial for improving outcomes.
- Further research into PVL virulence mechanisms and therapeutic strategies is warranted.
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