Pathnologic @pathnologic
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Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
Acute promyelocytic ... leukemia (blood ... #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
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
leukemia (T-PLL) not Acute ... Myeloid Leukemia (AML ... Prolymphocytes #Smear ... #Peripheral #Pathology ... Microscopy #Clinical #Blood
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
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... arrow) Peripheral smear ... hemolytic #anemia #Hematology ... #Pathology #Smear
Peripheral blood smear of a patient with tick bite and PCR positive for Ehrlichia ewingii.

Ehrlichia ewinqii
Peripheral blood ... smear of a patient ... Ehrlichia #ewingii #Smear ... #Morulae #Hematology ... #Pathology #Microscopy
Autoagglutination should also be distinguished from “Rouleaux formation” wherein normal blood tends to form stacks on
wherein normal blood ... #Clinical #Pathology ... #Blood #Smear # ... Rouleaux #Formation #Hematology