Pathnologic @pathnologic
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Classic mucosal-dominant Pemphigus Vulgaris. Suprabasal acantholysis leaving behind a “row of tombstones” (i.e. the basal layer
mucosal-dominant Pemphigus ... Vulgaris. ... #Vulgaris #Pathology ... #Microscopy #Dermatology ... #Clinical
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
promyelocytic leukemia (blood ... granules, and Auer rods ... leukemia #APL #APML #Pathology ... #Hematology #Clinical ... #Smear
Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
extensive rouleaux formation ... Aggressive disease ... leukemia #rouleaux #formation ... #Clinical #Smear ... #Hematology #Pathology
Pretty good example of Pemphigus Vulgaris. DIF shows intercellular IgG binding throughout entire epidermis. Note there’s
good example of Pemphigus ... Vulgaris. ... #Vulgaris #Pathology ... #Microscopy #Dermatology ... #Clinical
Autoagglutination should also be distinguished from “Rouleaux formation” wherein normal blood tends to form stacks on
wherein normal blood ... #Clinical #Pathology ... #Blood #Smear # ... Microscopy #Rouleaux ... #Formation #Hematology
Pathology - Castleman disease. 

Mediastinal mass in a younger woman.

Histologic Features of Castleman disease, hyaline vascular
Pathology - Castleman ... disease. ... in paracortical blood ... #Pathology #Smear ... #Microscopy #Clinical
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... DIC is a clinical ... hemolytic #anemia #Hematology ... #Pathology #Smear ... #Microscopy
Peripheral blood smear of a patient with tick bite and PCR positive for Ehrlichia ewingii.

Ehrlichia ewinqii
Peripheral blood ... smear of a patient ... #Morulae #Hematology ... #Pathology #Microscopy ... #TickBite #Clinical