11 results
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 ... #Clinical
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Benign Adrenal Mass ... Differential Diagnosis Algorithm ... High Plasma E2 +Clinical ... #AdrenalMass #Benign ... Differential #Diagnosis #Algorithm
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
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... polyangiitis /microscopic ... hydronephrosis on UIS) • Benign ... Prostatic Hyperplasia ... Differential #Diagnosis #Algorithm
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Focal epithelial hyperplasia/Heck disease. Acanthotic squamous epithelium with widened, confluent rete ridges, mild koilocytic change, and
Focal epithelial hyperplasia ... Focal #epithelial #hyperplasia ... Heck #disease #Pathology ... #Microscopy #Clinical
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
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Differential Diagnosis Algorithm ... Congenital Adrenal Hyperplasia ... High Plasma E2 + Clinical ... High Aldosterone: Renin ... Differential #Diagnosis #Algorithm