Introduction Using the information obtained from analysis of 16S rRNA gene sequences,Tsukamurella was first proposed as a genus in 1988,1 despite the fact that the first strain of this group of bacteria was described ...Introduction Using the information obtained from analysis of 16S rRNA gene sequences,Tsukamurella was first proposed as a genus in 1988,1 despite the fact that the first strain of this group of bacteria was described in 1941,2 and the first human isolate was reported in 1971.3 Similar to related genera of the order Corynebacteriales,such as Nocardia,Rhodococcus,and Gordonia,members of Tsukamurella are Gram-positive,aerobic,catalase-positive,and partially acid-fast as a result of the presence of mycolic acid in the cell envelope.Due to their similar phenotypic properties,differentiation of these genera and speciation within these genera is difficult in most clinical microbiology laboratories.展开更多
Introduction Streptococcus agalactiae is most commonly associated with pregnancy-related infections,neonatal sepsis,and infections in patients with immunocompromised states,such as diabetes mellitus and malignancies.1...Introduction Streptococcus agalactiae is most commonly associated with pregnancy-related infections,neonatal sepsis,and infections in patients with immunocompromised states,such as diabetes mellitus and malignancies.1 Although abscesses caused by S.agalactiae are sometimes encountered in immunocompromised patients,S.agalactiae abscess in transplant recipients is extremely rare.S.agalactiae abscesses have never been reported in liver transplant recipients.In this article,we report a case of S.agalactiae abscess in the anterior cervical space extending to the superior mediastinum in a liver transplant recipient.展开更多
Introduction Campylobacter rectus is a Gram-negative,anaerobic rod,first described in 1981 as Wolinella recta,subsequently re-classified to Campylobacter based on phylogenetic analysis in 1991.1 It is found in the ora...Introduction Campylobacter rectus is a Gram-negative,anaerobic rod,first described in 1981 as Wolinella recta,subsequently re-classified to Campylobacter based on phylogenetic analysis in 1991.1 It is found in the oral cavity and gastrointestinal tract,and is mainly implicated in oral and periodontal infections.So far,there are only a handful of case reports in the literature describing extra-oral invasive C.rectus infections.2–6 Recently,we described a case of fatal C.rectus infection,due to subdural empyema and ruptured mycotic intracranial aneurysm.2 In this article,we report a case of Lemierre’s syndrome associated with C.rectus bacteremia.展开更多
基金This work is partly supported by funding from the Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases,the Ministry of Education of China.
文摘Introduction Using the information obtained from analysis of 16S rRNA gene sequences,Tsukamurella was first proposed as a genus in 1988,1 despite the fact that the first strain of this group of bacteria was described in 1941,2 and the first human isolate was reported in 1971.3 Similar to related genera of the order Corynebacteriales,such as Nocardia,Rhodococcus,and Gordonia,members of Tsukamurella are Gram-positive,aerobic,catalase-positive,and partially acid-fast as a result of the presence of mycolic acid in the cell envelope.Due to their similar phenotypic properties,differentiation of these genera and speciation within these genera is difficult in most clinical microbiology laboratories.
基金This work is partly supported by funding from the Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases,the Ministry of Education of China.
文摘Introduction Streptococcus agalactiae is most commonly associated with pregnancy-related infections,neonatal sepsis,and infections in patients with immunocompromised states,such as diabetes mellitus and malignancies.1 Although abscesses caused by S.agalactiae are sometimes encountered in immunocompromised patients,S.agalactiae abscess in transplant recipients is extremely rare.S.agalactiae abscesses have never been reported in liver transplant recipients.In this article,we report a case of S.agalactiae abscess in the anterior cervical space extending to the superior mediastinum in a liver transplant recipient.
基金supported by funding from the Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases,the Ministry of Education of China.
文摘Introduction Campylobacter rectus is a Gram-negative,anaerobic rod,first described in 1981 as Wolinella recta,subsequently re-classified to Campylobacter based on phylogenetic analysis in 1991.1 It is found in the oral cavity and gastrointestinal tract,and is mainly implicated in oral and periodontal infections.So far,there are only a handful of case reports in the literature describing extra-oral invasive C.rectus infections.2–6 Recently,we described a case of fatal C.rectus infection,due to subdural empyema and ruptured mycotic intracranial aneurysm.2 In this article,we report a case of Lemierre’s syndrome associated with C.rectus bacteremia.
