Eosinophilia of the blood

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A patient has an abnormally high concentration of eosinophils in the blood, but initial clinical and laboratory evaluation offers no clues as to the cause. The authors of this article describe such a case and the course of action they took to establish an unexpected diagnosis. Differential diagnosis of eosinophilia is the focus of their discussion.

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Notes on contributors

Kurt Grathwohl

CPT Kurt Grathwohl, MC, USA CPT Chris LeBrun, MC, USA LTC Richard Tenglin, MC, USA Dr Grathwohl is a fellow, pulmonary/critical care service; Dr LeBrun is a second-year resident, department of internal medicine; and Dr Tenglin is a staff physician, hematology and oncology service, Madigan Army Medical Center, Tacoma, Washington.

Chris LeBrun

CPT Kurt Grathwohl, MC, USA CPT Chris LeBrun, MC, USA LTC Richard Tenglin, MC, USA Dr Grathwohl is a fellow, pulmonary/critical care service; Dr LeBrun is a second-year resident, department of internal medicine; and Dr Tenglin is a staff physician, hematology and oncology service, Madigan Army Medical Center, Tacoma, Washington.

Richard Tenglin

CPT Kurt Grathwohl, MC, USA CPT Chris LeBrun, MC, USA LTC Richard Tenglin, MC, USA Dr Grathwohl is a fellow, pulmonary/critical care service; Dr LeBrun is a second-year resident, department of internal medicine; and Dr Tenglin is a staff physician, hematology and oncology service, Madigan Army Medical Center, Tacoma, Washington.