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Isolated Streptococcus intermedius pulmonary nodules
Stephen Catalya1, Bushra Komal1, Sunil Tulpule1
1Raritan Bay Medical Center, Perth Amboy, NJ, United States.
Abstract:
Streptococcus intermedius, a member of the Streptococcal anginosus group of alpha-hemolytic streptococci, remains a notable infectious agent causing necrotizing pneumonia and abscesses. We report a case of a young male with pulmonary nodules found to have Streptococcus intermedius and no other underlying hepatic or dental history who was treated with ceftriaxone and avoided surgical intervention. A review of the literature reveals cases that are typically treated with a combined surgical and medical approach. These same cases often involve middle aged to elderly individuals who have a past history of tobacco use, alcoholic liver cirrhosis and/or poor dentition. This case stands out given the patient's atypical presentation.
Insights
This case study highlights a young male with Streptococcus intermedius-induced pulmonary nodules treated successfully with ceftriaxone alone. This atypical presentation avoided surgery, differing from typical cases in older patients with comorbidities.
Area of Science:
- Infectious Diseases
- Pulmonology
- Microbiology
Background:
- Streptococcus intermedius, part of the Streptococcus anginosus group, is known to cause serious infections like necrotizing pneumonia and abscesses.
- Typical S. intermedius infections often occur in older individuals with risk factors such as tobacco use, liver cirrhosis, or poor dental health.
- These infections are frequently managed with a combination of surgical intervention and medical treatment.
Purpose of the Study:
- To report an unusual case of Streptococcus intermedius causing pulmonary nodules in a young male patient.
- To highlight an alternative treatment approach for S. intermedius-related pulmonary disease.
- To contrast this case with the typical clinical presentation and management of S. intermedius infections.
Main Methods:
- Case report of a young male patient presenting with pulmonary nodules.
- Diagnostic identification of Streptococcus intermedius as the causative agent.
- Treatment with intravenous ceftriaxone without surgical intervention.
- Literature review of Streptococcus intermedius infections and their management.
Main Results:
- The patient, a young male with no history of hepatic or dental issues, was diagnosed with pulmonary nodules caused by Streptococcus intermedius.
- Successful treatment was achieved using ceftriaxone alone, obviating the need for surgical intervention.
- This contrasts with literature findings where S. intermedius infections typically require combined surgical and medical management and affect older patients with comorbidities.
Conclusions:
- Streptococcus intermedius can cause pulmonary disease presenting as nodules, even in young, otherwise healthy individuals.
- A solely medical approach with ceftriaxone can be effective, challenging the conventional treatment paradigm.
- This case underscores the importance of considering atypical presentations and tailored treatment strategies for S. intermedius infections.