69 results
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Head&neck, Lymph Nodes ... Lymph node entirely ... Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph node ... seen in lymph nodes ... Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode ... #Clinical
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
histiocytes in lymph node ... #Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Brugia malayi - Filariasis on Microscopy

What is Brugia malayi? It is a filarial parasitic worm that
Filariasis on Microscopy ... worm that can cause ... The adult worms cause ... malayi #Filariasis #Microscopy ... #clinical #pathology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Differential Diagnosis Algorithm ... • Infection (e.g ... Malignancy (Virchow's Node ... Epitrochlear (Always pathologic
Leukoerythroblastosis and myelophthisic anemia can be associated with any marrow-replacing process. In this case, the likely
In this case, the ... Leukoerythroblastosis #Hematology #Pathology ... #Smear #Microscopy ... #Clinical
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
Prolymphocytes In our case ... Smear #Peripheral #Pathology ... #Microscopy #Clinical
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph node ... Lymphadenitis #PatternA #Pathology ... #Microscopy #LymphNode ... #Clinical
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... • Pulmonary pathology ... Uosm < 100 mmol/kg ... #Causes