Pulmonary streptococcus anginosus infection

Pulmonary streptococcus anginosus infection is a form of bacterial lung infection.

Streptococcus anginosus is part of the S. milleri group (which in turn is a subgroup of viridans streptococci) that consists of three distinct streptococcal species: S. anginosus, S. intermedius, and S. constellatus. It can be part of the normal flora in the body .

Radiographic features

S. anginosus infection have a propensity for causing lung abscess and empyema formation. It can sometimes cross tissue planes easily . Pleural effusions can be common .