Hematology

Emperipolesis Phenomenon in Bone Marrow Megakaryocytes

Morphological manifestation of emperipolesis: an intact segmented neutrophil within the cytoplasm of a megakaryocyte in a bone marrow aspirate.

Bone marrow smear, neutrophil emperipolesis in a megakaryocyte
Bone marrow smear, neutrophil emperipolesis in a megakaryocyte

A rare finding. Emperipolesis is the presence of an intact cell (segmented neutrophil) within a megakaryocyte. 🙏 The publication was kindly provided by KDL physician Nana Novikova, CHUZ “KB” RZD-Meditsina, Smolensk.