Isolated Streptococcus intermedius pulmonary nodules

Catalya, Stephen; Komal, Bushra; Tulpule, Sunil; Raoof, Nazar; Sen, Shuvendu

doi:10.1016/j.idcr.2017.03.007

Cited by 10 publications

(20 citation statements)

References 6 publications

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“…For diagnostic purposes, negative sputum cultures do not exclude this infection. Instead, pleural fluid culture analysis and lung biopsy are performed if a strong suspicion for S. intermedius PPI is required for definite diagnosis [ 6 ].…”

Section: Discussionmentioning

confidence: 99%

“…Technique Treatment The radiological findings seen in the patient population diagnosed with S. intermedius infection broadly include consolidation, loculated pleural effusion, cavitary lesions, nodules, empyema, and lung abscess [1][2][3][4][5][6][7][8][9][10]. In our patient, it is difficult to differentiate an empyema vs. an empyema with abscesses or malignancy with superimposed infection.…”

Section: Radiological Findings Diagnosticmentioning

confidence: 99%

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Streptococcus intermedius Pleuropulmonary Disease: A Not So Commonly Seen Radiological Picture

Tasleem

Mahmood

2021

Cureus

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A Streptococcus ( S. ) intermedius- associated pleuropulmonary infection (PPI) is a rare presentation. Cases have been reported in the last decade in which S. intermedius was identified in pleural fluid cultures and lung biopsies in patients presenting with complicated pleural effusions and empyema. However, there are data lacking on predisposing factors, mode of dissemination, and treatment strategies for these patients. Moreover, these patients can present with a spectrum of radiographic findings, which can help with prompt diagnosis and effective patient management. However, the radiological findings in this patient and the rapidly worsening clinical symptoms make the diagnosis difficult.

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Section: Discussionmentioning

confidence: 99%

Section: Radiological Findings Diagnosticmentioning

confidence: 99%

Streptococcus intermedius Pleuropulmonary Disease: A Not So Commonly Seen Radiological Picture

Tasleem

Mahmood

2021

Cureus

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“…Additionally, S. intermedius is most frequently associated with head and neck infections in children ( 4 ). Until now, there have been very few reported cases of S. intermedius causing isolated pulmonary nodules in the literature review ( 5 ), especially in children.…”

Section: Introductionmentioning

confidence: 99%

An isolated pulmonary nodule secondary to Streptococcus intermedius infection in an otherwise healthy 10-year-old boy: A case report and literature review

Huang

et al. 2022

Front. Pediatr.

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Streptococcus intermedius, as a Gram-positive commensal bacterium, tends to cause various infections, such as brain and liver abscesses, endocarditis, and empyema, especially in immunocompromised patients. However, an isolated pulmonary nodule caused by S. intermedius in previously healthy individuals without traditional risk factors is rarely reported. Herein, we present a case of a 10-year-old immunocompetent boy referred to our department with a 5-day history of intermittent, left-sided chest pain. Chest X-ray and computed tomography revealed a left lung nodule. Although his blood, sputum, and bronchoalveolar lavage fluid cultures were negative, metagenomic next-generation sequencing (mNGS) showed only the presence of S. intermedius in ultrasonography-guided lung biopsy tissue and pleural fluid (416 and 110 reads, respectively). He was then successfully treated with appropriate intravenous antibiotics and avoided surgical intervention. To the best of our knowledge, this is the first report of S. intermedius-related pulmonary nodule confirmed by mNGS analysis in healthy children. For achieving proper diagnosis and treatment, infection with S. intermedius should be included in the differential diagnosis when coming across such a similar pulmonary nodule. mNGS, as a valuable supplement to conventional culture methods, is an essential diagnostic tool for identifying pathogens without typical characteristics.

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“… 7 , 8 Risk factors for developing invasive infections include sinusitis, congenital heart disease, dental disease, oral procedures, liver cirrhosis, and pulmonary disease. 9 , 10 Streptococcus intermedius is known for causing abscesses in the liver, lung and brain; they are normally solitary and often require surgical intervention. 8 This case report highlights Streptococcus intermedius as a mimicker of brain metastasis.…”

Section: Introductionmentioning

confidence: 99%

Streptococcus Intermedius: A Mimicker of Brain Metastases and A Potential Pitfall for Radiation Oncologists

Casper

Stenehjem

Gill

et al. 2021

Advances in Radiation Oncology

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Isolated Streptococcus intermedius pulmonary nodules

Abstract: HighlightsS. intermedius infections can have extended hospital stays, but did not occur here.Abscess/empyema formation, typical in S. intermedius infection, did not occur here.A unique demographic of S. intermedius infection is shown, compared to literature.

Cited by 10 publications

References 6 publications

Streptococcus intermedius Pleuropulmonary Disease: A Not So Commonly Seen Radiological Picture

Streptococcus intermedius Pleuropulmonary Disease: A Not So Commonly Seen Radiological Picture

An isolated pulmonary nodule secondary to Streptococcus intermedius infection in an otherwise healthy 10-year-old boy: A case report and literature review

Streptococcus Intermedius: A Mimicker of Brain Metastases and A Potential Pitfall for Radiation Oncologists

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