Bone Marrow - nonneoplastic
Systemic polyclonal B immunoblastic proliferation
Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 10 October 2013, last major update December 2006
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Marrow shows infiltration by immunoblasts, plasma cells and intermediate forms
Peripheral smear description
- Leukocytosis with B cell immunoblasts (abundant, markedly basophilic cytoplasm, coarse chromatin and prominent nucleoli)
- No light chain restriction
End of Bone Marrow - nonneoplastic > Benign changes > Systemic polyclonal B immunoblastic proliferation
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