A Clinical Amalgam: Fever of Unknown Origin, Intravascular Large B-Cell Lymphoma and Hemophagocytic Lymphohistiocytosis

Infectious disease specialists are frequently called to investigate fever of unknown origin, the etiology attributed to noninfectious causes more than half the time. This reports a fever of unknown origin case of intravascular large B-cell lymphoma and secondary hemophagocytic lymphohistoiocytosis despite a negative lymph node pathology result and a myriad of investigations. Correspondence to: Mark Lacy, MD, Infectious Diseases, Department of Internal Medicine, School of Medicine, Texas Tech University, 3601 4th St, Lubbock, TX 79430. E-mail: mark.lacy@ttuhsc.edu. The authors have no funding or conflicts of interest to disclose. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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