# Prosthetic Knee Joint Infection Secondary to Granulicatella adiacens: A Case Report

## TL;DR

A rare case of prosthetic knee infection caused by Granulicatella adiacens is reported, emphasizing the need to consider unusual pathogens in joint infections.

## Contribution

This case report highlights the rare pathogenic potential of Granulicatella adiacens in prosthetic joint infection.

## Key findings

- Granulicatella adiacens caused a prosthetic knee joint infection in a patient with prior bacteremia.
- The infection was successfully treated with two-stage surgical revision and prolonged IV antibiotics.

## Abstract

Granulicatella adiacens is an uncommon cause of prosthetic joint infection (PJI). Here, we report a case of Granulicatella adiacens prosthetic knee joint infection in a patient who was previously managed for Granulicatella bacteremia 10 months earlier. The infection was managed with a planned two-stage surgical revision and prolonged IV antibiotics. This case underscores the rare pathogenic potential of a typically benign commensal organism, highlighting the importance of considering atypical pathogens in common clinical presentations.