Cytoplasmic inclusions in leukocytes

An unusual manifestation of cryoglobulinemia

Anirban Maitra, Patrick C J Ward, Steven H. Kroft, Barry S. Levinson, Saba Jamal, Andrew J. Fishleder, Karla M. Sendelbach, Robert W. McKenna

Research output: Contribution to journalArticle

Abstract

Cryoglobulins are circulating immunoglobulins characterized by reversible, cold-induced precipitation. A variety of laboratory abnormalities, including hypocomplementemia, elevated erythrocyte sedimentation rate, rheumatoid factor activity, pseudoleukocytosis, and pseudothrombocytosis, are associated with cryoglobulinemia. Extracellular, faintly basophilic, amorphous deposits of cryoglobulins occasionally have been described in blood smears. In the present study, smears prepared from blood collected at room temperature from 6 patients with cryoglobulinemia exhibited neutrophil and, occasionally, monocyte inclusions containing clear, light pink, or faintly basophilic amorphous material. The inclusions were absent in smears from blood collected and maintained at 37°C. Ultrastructural examination revealed that the material within the leukocyte inclusions was consistent with phagocytosed immunoglobulins. The identification of characteristic cytoplasmic inclusions in leukocytes may be an important clue in the early recognition of cryoglobulinemia.

Original languageEnglish (US)
Pages (from-to)107-112
Number of pages6
JournalAmerican Journal of Clinical Pathology
Volume113
Issue number1
StatePublished - 2000
Externally publishedYes

Fingerprint

Cryoglobulinemia
Inclusion Bodies
Cryoglobulins
Leukocytes
Immunoglobulins
Rheumatoid Factor
Blood Sedimentation
Phagocytosis
Monocytes
Neutrophils
Temperature

Keywords

  • Blood smear artifacts
  • Cryoglobulinemia
  • Leukocyte inclusions

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Maitra, A., Ward, P. C. J., Kroft, S. H., Levinson, B. S., Jamal, S., Fishleder, A. J., ... McKenna, R. W. (2000). Cytoplasmic inclusions in leukocytes: An unusual manifestation of cryoglobulinemia. American Journal of Clinical Pathology, 113(1), 107-112.

Cytoplasmic inclusions in leukocytes : An unusual manifestation of cryoglobulinemia. / Maitra, Anirban; Ward, Patrick C J; Kroft, Steven H.; Levinson, Barry S.; Jamal, Saba; Fishleder, Andrew J.; Sendelbach, Karla M.; McKenna, Robert W.

In: American Journal of Clinical Pathology, Vol. 113, No. 1, 2000, p. 107-112.

Research output: Contribution to journalArticle

Maitra, A, Ward, PCJ, Kroft, SH, Levinson, BS, Jamal, S, Fishleder, AJ, Sendelbach, KM & McKenna, RW 2000, 'Cytoplasmic inclusions in leukocytes: An unusual manifestation of cryoglobulinemia', American Journal of Clinical Pathology, vol. 113, no. 1, pp. 107-112.
Maitra A, Ward PCJ, Kroft SH, Levinson BS, Jamal S, Fishleder AJ et al. Cytoplasmic inclusions in leukocytes: An unusual manifestation of cryoglobulinemia. American Journal of Clinical Pathology. 2000;113(1):107-112.
Maitra, Anirban ; Ward, Patrick C J ; Kroft, Steven H. ; Levinson, Barry S. ; Jamal, Saba ; Fishleder, Andrew J. ; Sendelbach, Karla M. ; McKenna, Robert W. / Cytoplasmic inclusions in leukocytes : An unusual manifestation of cryoglobulinemia. In: American Journal of Clinical Pathology. 2000 ; Vol. 113, No. 1. pp. 107-112.
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