Pathnologic @pathnologic
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Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Lymphadenitis #HSV #Pathology ... Microscopy #Clinical #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology ... #LymphNode #Clinical
Amiodarone induced thyroid changes

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Amiodarone induced thyroid ... #Amiodarone #thyroid ... thyrotoxicosis #AIT #Pathology
Sweat gland tumors - Pathology

Made with lots of help from @JMGardnerMD's paper on adnexal tumors for
gland tumors - Pathology ... gland #tumors #Pathology
Hobnail variant of PTC: micropapillary architecture, dense eosinophilic cytoplasm, hobnail cells with apical nuclei, and marked
PTC #Papillary #Thyroid ... #Carcinoma #Pathology
Dysplasia in Myelodysplastic Syndrome 
 - 
Dysgranulopoiesis 
 - Dyserythropoiesis 
 - Dysmegakaryopoiesis 

#Dysplasias #MDS #Myelodysplastic
Myelodysplastic #Syndrome #Pathology
Post-splenectomy blood smear demonstrating Howell-Jolly bodies and target cells.

#Clinical #Pathology #BloodSmear #HowellJollyBodies #TargetCells #Splenectomy #Asplenic
#Clinical #Pathology
Pathology - Hepatocyte Pigments

Lipofuschin (H&E) 

Alpha-I-antitrypsin globules (PAS-D) 

Mallory's hyaline / Mallory Denk Bodies 

Giant Mitochondria
Pathology - Hepatocyte ... Hepatocyte #Pigments #Pathology
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
Rhabdomyosarcoma #Hallmarks #Pathology