10 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture Pathology ... polysaccharide capsule of Cryptococcus ... detection for cryptococcal ... mucopolysaccharide capsule of Cryptococcus ... #microbiology #microscopy
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Lymphadenitis #HSV #Pathology ... #Microscopy #Clinical ... #LymphNode
Cryptococcosis - Cryptococcus Neoformans - Fungal Pathology 

Narrow- budding yeast with mucicarmine positive capsules — cryptococcus
Cryptococcosis - Cryptococcus ... Neoformans - Fungal Pathology ... positive capsules — cryptococcus ... Neoformans #Fungal #Pathology ... #clinical #microscopy
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Lymphadenitis #PatternC #Pathology ... #Microscopy #LymphNode
Cryptococcus vs Blastomyces
C.neoformans - C.gattii - Blastomyces dermatitidis

Dr. Sara Dong @swinndong

#Cryptococcus #Blastomyces #comparison #pathology #microscopy #diagnosis
Cryptococcus vs ... Dong @swinndong #Cryptococcus ... Blastomyces #comparison #pathology ... #microscopy #diagnosis
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
Common Fungal Pathology ... broad based bud • Cryptococcus ... ucsdim #Fungal #Pathology ... #clinical #microscopy
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Lymphadenitis #Pathology ... #LymphNode #Clinical ... #Microscopy
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
#Histiocytes #LymphNode ... #Pathology #Clinical ... #Microscopy
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Lymphadenitis #PatternA #Pathology ... #Microscopy #LymphNode
Focus of Metastatic Melanoma Colonizing a Germinal Center

I thought these big cells were funny immunoblasts- until
Focus of Metastatic ... are an isolated focus ... germinal #center #Pathology ... #Clinical #Microscopy