Lymph nodes - not lymphoma
Inclusions, pigment, ectopic cells or tissue

Author: William D. DePond, M.D. (see Authors page)

Revised: 25 June 2018, last major update July 2013

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Megakaryocytes [title] lymph nodes

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Cite this page: DePond, W. D. Megakaryocytes. website. Accessed January 21st, 2019.
Definition / general
  • Often associated with extramedullary hematopoiesis when present in lymph nodes
Case reports
Microscopic (histologic) images

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Various images

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Megakaryocytes in bone marrow

Positive stains
Negative stains
Differential diagnosis
  • Multinucleated histiocytes: larger, more cytoplasm, vesicular nuclei that are not multilobated, CD68+