14 results
Castleman's Disease and Associated Syndromes
HYALINE VASCULAR VARIANT
 • unicentric, HHV8-ve, children and young.
 • Hyalinized vessels
disease PLASMA CELL ... germinal center • Diffuse ... plasma cells between ... HHV8 + • Plasma cell ... #Diagnosis #Pathology
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
The many faces of the Hodgkin/Reed-Sternberg (HRS) cell: Even as medical students we are aware of
Reed-Sternberg cell ... (RS cell). ... Many variants exist ... #Pathology #Clinical ... #Microscopy
Comparison of basophils and mast cells (in bone marrow).

#Basophils #MastCells #Pathology #Marrow #Smear #Microscopy #Comparison #Table
basophils and mast cells ... Basophils #MastCells #Pathology ... Marrow #Smear #Microscopy ... #Comparison #Table
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
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
A morphologic mosaic of NUT carcinoma: monotonous primitive cells, basophilic to clear cytoplasm, abrupt keratinization, prominent
monotonous primitive cells ... -NUT fusion or variants ... NUT #carcinoma #Pathology ... #Clinical #Microscopy
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
diseases Light Microscopy ... IM) - Electron Microscopy ... /RPS class IV (diffuse ... diseases #nephrology #pathology ... #comparison #table
Diffuse Sclerosis Variant—PTC 
 - Rare variant of PTC 
 - Approximately 3% ofall PTC
Diffuse Sclerosis ... • Carcinoma cells ... around the tumor cells ... Thyroid #Cancer #Pathology ... Clinical #Gross #Microscopy
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
Hobnail variant ... cytoplasm, hobnail cells ... Thyroid #Carcinoma #Pathology ... #Clinical #Microscopy