23 results
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Calcium Oxalate Crystals on Electron Microscopy
Today’s image shows calcium oxalate crystals in a urinary sediment under
Crystals on Electron Microscopy ... scanning electron microscopy ... ElectronMicroscopy #SEM ... clinical #nephrology #pathology
Dysmorphic Red Blood Cells on Electron Microscopy
This eyeSCANdy image shows dysmorphic red blood cells from the
Cells on Electron Microscopy ... ElectronMicroscopy #SEM ... #clinical #pathology
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 ... #Microscopy
Trichodysplasia spinulosa: follicles plugged w/ hyperkeratotic & parakeratotic debris, excessive inner root sheath differentiation towards keratinization.
EM shows intranuclear ... Trichodysplasia #spinulosa #Pathology ... #Microscopy #Dermatology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility ... Differential Diagnosis Algorithm ... Tumours - See ... Fragility #Fractures #Pathologic ... Differential #Diagnosis #Algorithm
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Do you see any pathology ... Embolus #Clinical #POCUS
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
Identification Algorithm ... Identification #Algorithm ... #pathology #smear ... #microscopy #malaria