Pathnologic @pathnologic
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Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
granules, and Auer rods ... KyleBradleyMD #Auer #Rods ... promyelocytic #leukemia #APL ... #Hematology #Clinical ... #Smear
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
occasional Auer rods ... peripheral blood smear ... In addition to APL ... BloodSmear #Blood #Smear ... Microscopy #Auer #Rods
Rouleaux formation is common in IgM gammopathy and may be particularly striking

Genevieve Crane, MD, PhD@evemariecrane

#Rouleaux #formation
Rouleaux formation ... evemariecrane #Rouleaux ... Clinical #Pathology #Hematology ... #Smear
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
linear red "Auer rod ... myelogenous leukemia (AML ... BloodSmear #Blood #Smear ... Microscopy #Auer #Rods ... #AuerRods #AML
Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
with extensive rouleaux ... PlasmaCell #leukemia #rouleaux ... formation #Clinical #Smear ... #Hematology #Pathology
Hypersegmented neutrophil in a case of acute myeloid leukemia.

Dysplastic neutrophils are typically hypolobated but can be
#neutrophils #AML ... #Clinical #Hematology ... #Pathology #Smear
Autoagglutination should also be distinguished from “Rouleaux formation” wherein normal blood tends to form stacks on
distinguished from “Rouleaux ... Pathology #Blood #Smear ... #Microscopy #Rouleaux ... #Formation #Hematology