Pathnologic @pathnologic
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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
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
a linear red "Auer ... rod" composed of ... #Clinical #Path ... #BloodSmear #Blood ... #Rods #AuerRods
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 Ă— 103/μL) with
rods. ... her peripheral blood ... rods. ... #Clinical #Path ... #BloodSmear #Blood
â–º
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Simplex Virus Lymphadenitis ... • HSV-infected cells ... Simplex #Virus #Lymphadenitis ... #HSV #Pathology ... #Microscopy #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... seen within giant cells ... #brasiliensis #Lymphadenitis ... #Pathology #LymphNode ... #Clinical #Microscopy
Post-splenectomy blood smear demonstrating Howell-Jolly bodies and target cells.

#Clinical #Pathology #BloodSmear #HowellJollyBodies #TargetCells #Splenectomy #Asplenic
Post-splenectomy blood ... bodies and target cells ... #Clinical #Pathology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... DIC is a clinical ... non-specific red cell ... polychromatophilic cells ... anemia #Hematology #Pathology
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  đŸ”¬Tumor
đŸ”¬Tumor cells are ... size lymphoid cells ... Smear #Peripheral #Pathology ... #Microscopy #Clinical ... #Blood
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
typical of HIV lymphadenitis ... Warthin-Finkeldey type giant cells ... Monocytoid B cells ... #PatternA #Pathology ... Microscopy #LymphNode #Clinical
A – cabot ring, B – Howell-Jolly Body

What are Cabot’s rings?
- They are delicate threadlike inclusions
inclusions in the red blood ... cells in the peripheral ... blood of some patients ... #Clinical #Pathology