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UNLABELLED: Streptococcus gallolyticus is a group D streptococcus which was previously classified as part of the S. bovis/S. equinus complex. It is a rare pathogen in prosthetic joint infection but has been demonstrated to have a strong association with colorectal carcinoma. In this case, a patient with no symptomatology suggestive of colorectal carcinoma presented with a S. gallolyticus prosthetic joint infection. Awareness of the association prompted investigation and subsequent diagnosis of colorectal carcinoma which was successfully treated prior to two-stage revision knee replacement. LEVEL OF EVIDENCE: V.

Original publication




Journal article


Knee surg sports traumatol arthrosc

Publication Date





1069 - 1070


Adenocarcinoma, Aged, Colonic Neoplasms, Enterococcus faecalis, Gram-Positive Bacterial Infections, Humans, Knee Prosthesis, Male, Prosthesis-Related Infections