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Published on: January 17, 2014
Deep soft-tissue infections caused by Streptococcus pneumoniae
P Kragsbjerg1, T Norén, B Söderquist
1Department of Infectious Diseases, Orebro Medical Center Hospital, Sweden.
Abstract:
Three cases of deep soft-tissue infections caused by Streptococcus pneumoniae are presented. All patients were previously healthy adults. The first case was a man with a protracted illness in whom pelvic and inguinal abscesses developed at the site of a scar from a traumatic injury several years earlier. The second patient, a woman, had mastitis with systemic symptoms. The third patient was a woman who developed a gluteal abscess after an intramuscular injection of a contraceptive. Cellulitis and deep soft-tissue infections caused by Streptococcus pneumoniae are uncommon, but may occur even in immunocompetent adults.
Insights
Deep soft-tissue infections from Streptococcus pneumoniae are rare but can affect healthy adults. This study presents three cases, including abscesses and mastitis, highlighting the need for awareness.
Area of Science:
- Infectious Diseases
- Microbiology
- Clinical Medicine
Background:
- Streptococcus pneumoniae is a common cause of respiratory infections.
- Deep soft-tissue infections (DSTIs) due to S. pneumoniae are considered uncommon.
- Immunocompetent adults are typically not considered at high risk for these infections.
Observation:
- Three distinct cases of DSTIs caused by S. pneumoniae in previously healthy adults are detailed.
- Case 1: A male patient developed pelvic and inguinal abscesses at a prior traumatic injury site.
- Case 2: A female patient presented with mastitis and systemic symptoms.
- Case 3: A female patient developed a gluteal abscess following an intramuscular contraceptive injection.
Findings:
- The presented cases demonstrate that S. pneumoniae can cause significant deep soft-tissue infections.
- Infections manifested as abscesses in various locations (pelvic, inguinal, gluteal) and mastitis.
- These infections occurred in immunocompetent individuals, challenging typical risk assessments.
Implications:
- Clinicians should consider S. pneumoniae in the differential diagnosis of DSTIs, even in immunocompetent adults.
- The findings suggest a broader spectrum of clinical presentations for S. pneumoniae infections.
- Further research may be warranted to understand the mechanisms and risk factors for S. pneumoniae DSTIs in this population.
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