פורום ממאירויות המטולוגיות

immunostains: CD20 highlights few scattered small B lymphocytes in the interstitium
these lymphocytes are t-bet possitive but DBA-44 negative
the TRAP and Annexin A1 are non contributory
 though the B lymphocytes are possitive for t-bet theit number is too small for evaluation

cellularity: 50-60%
red cells: normoblastic
white cells: active with complete maturation
megakaryocytes: increased showing mild cellular atypia
lymphocites: no increase
reticulin fibers: no increase
collagen fibers: absent
hemosiderin: absent
other cells: none
bone: normal
other changes: none

immunostains: CD20 highlights few scattered
small B lymphocytes in the interstitium
these lymphocytes are t-bet possitive
but DBA-44 negative
the TRAcP and Annexin A1 are non contributory
though
the B lymphocytes are possitive for t-bet theit number is too small for
evaluation

diagnosis: normocellular bone marrow 

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