8 results
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
seen within giant cells ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
cytoplasm, hobnail cells ... PTC #Papillary #Thyroid ... #Carcinoma #Pathology ... #Clinical #Microscopy
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
the left renal pelvis ... Clinical #Radiology #Pathology ... AcidFastBacilli #Microscopy ... #NEJM
Amiodarone induced thyroid changes

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Amiodarone induced thyroid ... change, Follicular cells ... #Amiodarone #thyroid ... thyrotoxicosis #AIT #Pathology ... #Clinical #Microscopy
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 ... Lymphadenitis #PatternA #Pathology ... #Microscopy #LymphNode
Grouped Pustules on an Erythematous Base - On physical examination, grouped, coalescing pustules that had scalloped
Microscopic examination ... multinucleated giant cells ... Clinical #Derm #Pathology ... Tzsanck #Smear #Microscopy ... #NEJM
Diffuse Sclerosis Variant—PTC 
 - Rare variant of PTC 
 - Approximately 3% ofall PTC
• Carcinoma cells ... around the tumor cells ... PTC #Papillary #Thyroid ... #Cancer #Pathology ... Clinical #Gross #Microscopy