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Mast cell infiltrate; H&E; 400 X Objective.

Mast cell infiltrate; H&E; 400 X Objective.
#00062997
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

Higher power image of the mast cell infiltrate.  The mast cells display elongated or spindled nuclei with finely granular chromatin, occasional single prominent nucleolous, and variably abundant clear cytoplasm with sparse basophilic granules.  Occasional eosinophils, small lymphocytes, and histiocytes admixed.