Large granules in the peripheral blood smear and bone marrow aspirate of a 3-year-old male with lymphadenopathy and fever

Morgan H. McCoy, Kelley Mast, Ryan Relich, George Girgis, Mehdi Nassiri

Research output: Contribution to journalArticle

Abstract

A 3-year-old male with oculocutaneous albinism presented with lymphadenopathy and fever. Serological testing revealed Epstein-Barr virus (EBV)-specific immunoglobulin M (IgM) and a diagnosis of infectious mononucleosis was made. A complete blood count and peripheral blood smear demonstrated mild anemia, thrombocytopenia, and neutropenia with leukocytes that contained large azurophilic and eosinophilic granules. Bone marrow examination demonstrated increased hemophagocytic histiocytes along with granulocytes that contained large eosinophilic granules. In addition to hemophagocytic lymphohistiocytosis, presumably due to acute EBV infection, the patient was diagnosed with Chediak-Higashi syndrome based on the pathognomonic granules within peripheral leukocytes and precursors. The differential diagnosis of a young patient with oculocutaneous albinism presenting with an acute viral infection includes a relatively narrow range of genetic syndromes based solely on the history of albinism. This case demonstrates the application of clinical laboratory data to presumptively diagnose Chediak-Higashi syndrome in the midst of a presentation of hemophagocytic lymphohistiocytosis secondary to acute EBV infection.

Original languageEnglish (US)
Pages (from-to)244-247
Number of pages4
JournalLaboratory Medicine
Volume45
Issue number3
DOIs
StatePublished - Jun 1 2014

Fingerprint

Chediak-Higashi Syndrome
Oculocutaneous Albinism
Hemophagocytic Lymphohistiocytosis
Epstein-Barr Virus Infections
Viruses
Bone
Leukocytes
Blood
Fever
Bone Marrow
Albinism
Bone Marrow Examination
Infectious Mononucleosis
Histiocytes
Blood Cell Count
Virus Diseases
Neutropenia
Human Herpesvirus 4
Granulocytes
Thrombocytopenia

Keywords

  • Chediak-Higashi syndrome
  • Epstein-Barr virus
  • Hemophagocytic lymphohistiocytosis
  • Infectious mononucleosis
  • Large granules
  • Oculocutaneous albinism

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Biochemistry, medical

Cite this

Large granules in the peripheral blood smear and bone marrow aspirate of a 3-year-old male with lymphadenopathy and fever. / McCoy, Morgan H.; Mast, Kelley; Relich, Ryan; Girgis, George; Nassiri, Mehdi.

In: Laboratory Medicine, Vol. 45, No. 3, 01.06.2014, p. 244-247.

Research output: Contribution to journalArticle

McCoy, Morgan H. ; Mast, Kelley ; Relich, Ryan ; Girgis, George ; Nassiri, Mehdi. / Large granules in the peripheral blood smear and bone marrow aspirate of a 3-year-old male with lymphadenopathy and fever. In: Laboratory Medicine. 2014 ; Vol. 45, No. 3. pp. 244-247.
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