10 results
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
paracortex • HSV-infected ... Lymphadenitis #HSV ... #Pathology #Microscopy ... #Clinical #LymphNode
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
of late phase HIV ... florid follicular hyperplasia ... Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode ... #Clinical
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
florid follicular hyperplasia ... Florid follicular hyperplasia ... Lymphadenitis #PatternA #Pathology ... #Microscopy #LymphNode ... #Clinical
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Focal epithelial hyperplasia/Heck disease. Acanthotic squamous epithelium with widened, confluent rete ridges, mild koilocytic change, and
Focal epithelial hyperplasia ... Usually caused by HPV ... Focal #epithelial #hyperplasia ... Heck #disease #Pathology ... #Microscopy #Clinical
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... • Drugs • HIV ... polyangiitis /microscopic ... Benign Prostatic Hyperplasia ... Differential #Diagnosis #Algorithm
Nodular Lymphoid Hyperplasia - gastroduodenoscopy, which revealed numerous nodules in the duodenum (Panel A). Multiple biopsies
Nodular Lymphoid Hyperplasia ... nodular lymphoid hyperplasia ... (Panel B) #Clinical ... #Pathology #GI ... #Microscopy #NEJM
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... dipstick, urine microscopy ... investigations depending on clinical ... hepatitis serology, HIV ... #AKI #Workup #Algorithm
Histoplasma capsulatum on culture

Isolated from the blood culture of an HIV patient with a low CD4
culture of an HIV ... capsulatum #culture #clinical ... #microscopy #pathology