Pathnologic @pathnologic
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Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
Plasma cell leukemia ... extensive rouleaux formation ... #PlasmaCell #leukemia ... #rouleaux #formation ... Clinical #Smear #Hematology
Rouleaux formation is common in IgM gammopathy and may be particularly striking

Genevieve Crane, MD, PhD@evemariecrane

#Rouleaux #formation
Rouleaux formation ... #Rouleaux #formation ... Clinical #Pathology #Hematology
Hypersegmented neutrophil in a case of acute myeloid leukemia.

Dysplastic neutrophils are typically hypolobated but can be
acute myeloid leukemia ... AML #Clinical #Hematology
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
promyelocytic leukemia ... promyelocytic #leukemia ... APML #Pathology #Hematology
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
Autoagglutination should also be distinguished from “Rouleaux formation” wherein normal blood tends to form stacks on
from “Rouleaux formation ... Microscopy #Rouleaux #Formation ... #Hematology