Parvimonas micra is an anaerobic, Gram-positive coccus found in the oral cavity and gastrointestinal tract. We report a case of a 77-year-old male with right knee pain after a recent dental procedure and fall. Arthrocentesis was notable for Parvimonas micra which was successfully treated with metronidazole.

中文翻译：

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Parvimonas micra 罕见的天然关节化脓性关节炎病例

Parvimonas micra是一种在口腔和胃肠道中发现的厌氧革兰氏阳性球菌。我们报告了一例 77 岁男性在最近一次牙科手术后右膝疼痛和跌倒的病例。关节穿刺术值得注意的是微小单胞菌，它用甲硝唑成功治疗。