Journal of medical case reports · 2013
Correlation among Streptococcus bovis, endocarditis and septicemia in a patient with advanced colon cancer: a case report.
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Abeni Chiara, Rota Luigina, Ogliosi Chiara, Bertocchi Paola, Centurini Pietro Berra, Zaniboni Alberto
Аннотация
INTRODUCTION: One of the bacterial agents that has been found to be associated with colorectal cancer is Streptococcus bovis, with 13% of infective endocarditis cases caused by this pathogenic species.
CASE PRESENTATION: We describe the case of a 57-year-old Caucasian man with infiltrating and ulcerating metastatic adenocarcinoma of the sigmoid colon. The patient was receiving second-line chemotherapy treatment and, on the eighth day of the second cycle, he developed a grade IV pancytopenia. We diagnosed a severe sepsis with positive blood cultures for Streptococcus bovis/gallolyticus with a secondary endocarditis.
CONCLUSIONS: A recent study suggests that the majority of patients affected by colonic cancer have a Streptococcus bovis/gallolyticus colonization that becomes apparent as an overt infection only when immunosystem disorders or cardiac valve lesions occur. This correlation is important for involving more specialists in a correct and early diagnosis of this rare, but potentially fatal, complication.
CASE PRESENTATION: We describe the case of a 57-year-old Caucasian man with infiltrating and ulcerating metastatic adenocarcinoma of the sigmoid colon. The patient was receiving second-line chemotherapy treatment and, on the eighth day of the second cycle, he developed a grade IV pancytopenia. We diagnosed a severe sepsis with positive blood cultures for Streptococcus bovis/gallolyticus with a secondary endocarditis.
CONCLUSIONS: A recent study suggests that the majority of patients affected by colonic cancer have a Streptococcus bovis/gallolyticus colonization that becomes apparent as an overt infection only when immunosystem disorders or cardiac valve lesions occur. This correlation is important for involving more specialists in a correct and early diagnosis of this rare, but potentially fatal, complication.