Pathnologic @pathnologic
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Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
Red cell autoagglutination ... process whereby red cells ... individual’s red blood cells ... #Clinical #Path ... #Blood #Smear #Microscopy
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
Red cell autoagglutination ... process whereby red cells ... individual’s red blood cells ... #Clinical #Path ... #Blood #Smear #Microscopy
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
point to helmet cells ... are a teardrop cell ... , 2 blister cells ... ), and 2 burr cells ... #Clinical #Path
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... HSV #Pathology #Microscopy ... #Clinical #LymphNode
Sickle cells
These photos show sickle cells on peripheral blood smears. In the left photo target cells
Sickle cells These ... photos show sickle cells ... left photo target cells ... nephropathy when flying at ... #Clinical #Path
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
KyleBradleyMD "Pattern ... Warthin-Finkeldey type giant cells ... Monocytoid B cells ... #Pathology #Microscopy ... #LymphNode #Clinical
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
appearance of red blood cells ... #Clinical #Path ... #Microscopy #PeripheralBloodSmear
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 ... #Clinical #Microscopy
Amiodarone induced thyroid changes

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Amiodarone induced thyroid ... flattened follicular cells ... change, Follicular cells ... #Amiodarone #thyroid ... Pathology #Clinical #Microscopy
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
Signet ring cell ... #SignetRing #Cell ... #Histiocytes #LymphNode ... Pathology #Clinical #Microscopy