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BMJ Case Rep. 2010; 2010: bcr09.2009.2311.
Published online 2010 February 19. doi:  10.1136/bcr.09.2009.2311
PMCID: PMC3027511
Unusual association of diseases/symptoms

Streptococcus sanguis endocarditis associated with colonic carcinoma


Infective endocarditis caused by Streptococcus bovis is known to be associated with colorectal malignancy. Other less common streptococci, specifically Streptococcus sanguis, can be similarly associated with gastrointestinal carcinoma. We present a case of disseminated colorectal carcinoma occurring after a confirmed S sanguis endocarditis, that required mitral valve surgery. There may be a need for gastrointestinal surveillance in patients presenting with bacteraemia caused by less common streptococci.

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