Pathnologic @pathnologic
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Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Herpes Simplex Virus ... • HSV-infected cells ... DennisOMalleyMD) #Herpes #Simplex ... Microscopy #Clinical #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
fibrosis (A) and well-formed ... seen within giant cells ... Lymphadenitis #Pathology #LymphNode
Sickle cell anemia and Howell Jolly bodies (nuclear remnants).

 - Dr. Abubaker Elshaikh
@ElshaikhMD

#SickleCell #HowellJolly #Body #Bodies
Sickle cell anemia ... Bodies #Pathology #Hematology
Plasma cell leukemia with extensive rouleaux formation. Aggressive disease & patients typically younger than other forms
Plasma cell leukemia ... primary plasma cell ... Clinical #Smear #Hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
non-specific red cell ... polychromatophilic cells ... hemolytic #anemia #Hematology
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
Sezary #Syndrome #Cells ... Smear #Microscopy #Hematology
Pity this Giant Pronormoblast from an elderly pt w pure red cell aplasia. In the proper
pt w pure red cell ... Smear #Microscopy #Hematology
Acute Graft versus Host disease: vacuolar interface dermatitis w/ lymphoexocytosis, dyskeratotic keratinocytes, notable satellite cell necrosis.
notable satellite cell ... Pathology #Microscopy #Dermatology
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
Signet ring cell ... #SignetRing #Cell ... #Histiocytes #LymphNode
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Warthin-Finkeldey type giant cells ... Monocytoid B cells ... Pathology #Microscopy #LymphNode