7 results
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
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
• HSV-infected cells ... Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
florid follicular hyperplasia ... Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode
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
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
florid follicular hyperplasia ... Florid follicular hyperplasia ... Monocytoid B cells ... Lymphadenitis #PatternA #Pathology ... #Microscopy #LymphNode
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... Necrosis (Epithelial cell ... polyangiitis /microscopic ... Benign Prostatic Hyperplasia ... Differential #Diagnosis #Algorithm
Oral / Mouth Lesions and Ulcers (Adult & Elderly) - Differential Diagnosis Algorithm

Teeth
 • GERD (Dissolves
Differential Diagnosis Algorithm ... • Langerhan's Cell ... polyangiitis (GPA)/microscopic ... Leukoplakia • Squamous Cell ... Psoriasis • Gingival Hyperplasia