Pathnologic @pathnologic
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Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
Acute promyelocytic ... #Auer #Rods #Acute ... #APML #Pathology ... #Hematology #Clinical ... #Smear
Hypersegmented neutrophil in a case of acute myeloid leukemia.

Dysplastic neutrophils are typically hypolobated but can be
neutrophil in a case of acute ... #neutrophils #AML ... #Clinical #Hematology ... #Pathology #Smear
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
of true Sezary syndrome ... mjcascio #Sezary #Syndrome ... Cells #Clinical #Pathology ... #Smear #Microscopy ... #Hematology
Pity this Giant Pronormoblast from an elderly pt w pure red cell aplasia. In the proper
pure red cell aplasia ... Pure #RedCell #Aplasia ... #Parvovirus #Pathology ... #Smear #Microscopy ... #Hematology #Clinical
Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
Plasma cell leukemia ... over-represented in primary plasma ... formation #Clinical #Smear ... #Hematology #Pathology
Megaloblastic neutrophils in bone marrow.

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

They're difficult to identify
BM core, most plasma ... to identify as plasma ... #PlasmaCells #BoneMarrow ... #Clinical #Pathology ... #Hematology
Autoagglutination should also be distinguished from “Rouleaux formation” wherein normal blood tends to form stacks on
occurs when the plasma ... #Clinical #Pathology ... #Blood #Smear # ... Rouleaux #Formation #Hematology