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J Lab Physicians. 2019 Jul-Sep;11(3):284-286. doi: 10.4103/JLP.JLP_57_19.

Pleural effusion due to Chryseobacterium indologenes: Case report and review of literature.

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Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India.
Department of CTVS, All India Institute of Medical Sciences, New Delhi, India.


Chryseobacterium indologenes is found ubiquitously in the environment; it rarely causes human disease. Hence, we report a case of C. indologenes-associated pleural effusion in a patient with aortic dissection. Postoperatively, the patient developed massive right-sided pleural effusion with underlying consolidated lung. Culture of the pleural fluid yielded pure growth of C. indologenes which was susceptible to cotrimoxazole, minocycline, and tigecycline. Therapy was modified; tigecycline and cotrimoxazole were started following which the patient showed improvement, and subsequent cultures of the pleural fluid were sterile. This report promotes awareness of this organism as an emerging pathogen in lung infections and emphasizes the importance of targeted therapy.


Aortic dissection; Chryseobacterium indologenes; pleural effusion

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