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Acute Erythroid Leukemia (view source)

Revision as of 16:01, 8 May 2018

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==Morphologic Features==

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PEL is characterized by medium to large erythroblasts with round nuclei, fine chromatin and one or more nucleoli (proerythroblast). Cytoplasm is deeply basophilic, often granular with demarcated vacuoles and are often Periodic-Acid-Schiff stain (PAS) positive. Blasts can be small and may resemble lymphoblasts[1]. Cells are usually negative for Myeloperoxidase (MPO) and Sudan Black (SBB). Bone marrow biopsy may have undifferentiated cells [1].

==Immunophenotype==

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