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Megaloblastic neutrophils in bone marrow.

So-called "giant bands" and "giant metamyelocytes" (blue circles) are 1.5-2 times the
#neutrophils #BoneMarrow ... #Smear #Hematology
Myeloma: In this BM core, most plasma cells contain cytoplasmic immunoglobulin (Russell bodies).

They're difficult to identify
#PlasmaCells #BoneMarrow ... Clinical #Pathology #Hematology
Dysplasia in Myelodysplastic Syndrome 
 - 
Dysgranulopoiesis 
 - Dyserythropoiesis 
 - Dysmegakaryopoiesis 

#Dysplasias #MDS #Myelodysplastic
Syndrome #Pathology #Hematology
Sickle cell anemia and Howell Jolly bodies (nuclear remnants).

 - Dr. Abubaker Elshaikh
@ElshaikhMD

#SickleCell #HowellJolly #Body #Bodies
Bodies #Pathology #Hematology
P. falciparum ring forms on a thin smear

 - Dr. Christina Dean
@deanchr3

#Plasmodium #falciparum #Rings #Smear #Hematology
#Rings #Smear #Hematology
Leukoerythroblastosis and myelophthisic anemia can be associated with any marrow-replacing process. In this case, the likely
Leukoerythroblastosis #Hematology
Hypersegmented neutrophil in a case of acute myeloid leukemia.

Dysplastic neutrophils are typically hypolobated but can be
AML #Clinical #Hematology
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
APML #Pathology #Hematology
Rouleaux formation is common in IgM gammopathy and may be particularly striking

Genevieve Crane, MD, PhD@evemariecrane

#Rouleaux #formation
Clinical #Pathology #Hematology
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
Smear #Microscopy #Hematology