Multi-Pathogen Knee Infection, Including Treponema pallidum and Brucella: A Case Report

18 January 2026 : Case report China

Challenging differential diagnosis, Rare disease, Clinical situation which can not be reproduced for ethical reasons

Youhan Yang

^{ABCDEF 1}, Haitao Chen^{ADEF 1}, Yinxian Wen^{ACDE 1}, Qinglong Chai^{BCE 1}, Yi Hua^{BEF 1}, Xu Yang

^{ACDEF 1*}, Liaobin Chen

^{ADG 1}

DOI: 10.12659/AJCR.950156

Am J Case Rep 2026; 27:e950156

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Figure 1 Preoperative anterior knee view. The knee joints were markedly swollen, with poor joint alignment.

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