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Case Reports in Infectious Diseases
Volume 2016 (2016), Article ID 3720549, 4 pages
Case Report

Detection of the Dimorphic Phases of Mucor circinelloides in Blood Cultures from an Immunosuppressed Female

1Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
2U.S. Army Medical Department Center and School, Fort Sam Houston, TX 78234, USA

Received 1 July 2016; Accepted 15 September 2016

Academic Editor: Paul Horrocks

Copyright © 2016 Miguel A. Arroyo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Mucormycosis fungemia is rarely documented since blood cultures are nearly always negative. We describe a case of Mucor circinelloides fungemia in a patient with a history of a sinus infection, sarcoidosis, and IgG deficiency. The identity of the isolate was supported by its microscopic morphology and its ability to convert into yeast forms under anaerobic conditions. The early detection, initiation of liposomal amphotericin B treatment, and reversal of underlying predisposing risk factors resulted in a good outcome.