
doi: 10.1002/dc.23365
pmid: 26389811
Multinucleated giant cells of osteoclastic type are known to occur in nodal and extranodal lesions of Langerhans cell histiocytosis (LCH). These giant cells are thought to be derived from phagocytic histiocytes, which correlate with the degree of necrosis in LCH lesions. Emperipolesis commonly seen in Rosai–Dorfman disease is a distinct phenomenon characterized by intact phagocytosed cells in an intracytoplasmic vacuole protected from proteolytic digestion. We present a case of emperipolesis of inflammatory cells especially of eosinophils by multinucleated giant cells of Langhans type in a lymph node involved by LCH—a finding that has not been described previously in the literature. Diagn. Cytopathol. 2015;43:1000–1002. © 2015 Wiley Periodicals, Inc.
Eosinophils, Male, Histiocytosis, Langerhans-Cell, Humans, Infant, Emperipolesis
Eosinophils, Male, Histiocytosis, Langerhans-Cell, Humans, Infant, Emperipolesis
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