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Mast cell infiltrate with dysmegakaryopoiesis; H&E stain; 400X.

Mast cell infiltrate with dysmegakaryopoiesis; H&E stain; 400X.
#00062996
Author: Vanessa Kimiko Martin Hoang, DO,MMSc; Le Aye, DO
Category: Myeloid Neoplasms and acute leukemia (WHO 2016) > Mastocytosis > Systemic Mastocytosis (SM)
Published Date: 04/13/2020

Atypical mast cell infiltrate with residual trilineage hematopoiesis.  Thick, pink fibrous tissue is present interwoven in the mast cell infiltrate.  An atypical appearing megakaryocyte with separated nuclear lobes is present.